Home / 12,482,328.81-17,224,121.89-6,899,821.20

Finding the Fourth Proportional to 12,482,328.81, 17,224,121.89 and 6,899,821.20

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Solution

The fourth proportional to 12,482,328.81, 17,224,121.89 and 6,899,821.20 is: 9,520,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,328.81 : 17,224,121.89 = 6,899,821.20 : x
  2. Step 2: Convert to fraction form
    12,482,328.81/17,224,121.89 = 6,899,821.20/x
  3. Step 3: Cross multiply
    12,482,328.81x = 17,224,121.89 × 6,899,821.20
  4. Step 4: Simplify right side
    12,482,328.81x = 118,843,361,368,006.08
  5. Step 5: Solve for x
    x = 118,843,361,368,006.08/12,482,328.81
  6. Step 6: Final answer
    x = 9,520,928.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.