Home / 36,290,340.30-54,435,510.45-12,355,812.30

Finding the Fourth Proportional to 36,290,340.30, 54,435,510.45 and 12,355,812.30

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Solution

The fourth proportional to 36,290,340.30, 54,435,510.45 and 12,355,812.30 is: 18,533,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290,340.30 : 54,435,510.45 = 12,355,812.30 : x
  2. Step 2: Convert to fraction form
    36,290,340.30/54,435,510.45 = 12,355,812.30/x
  3. Step 3: Cross multiply
    36,290,340.30x = 54,435,510.45 × 12,355,812.30
  4. Step 4: Simplify right side
    36,290,340.30x = 672,594,949,574,888.62
  5. Step 5: Solve for x
    x = 672,594,949,574,888.62/36,290,340.30
  6. Step 6: Final answer
    x = 18,533,718.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.