Home / 8,506,366.80-12,759,550.20-5,315,096.40

Finding the Fourth Proportional to 8,506,366.80, 12,759,550.20 and 5,315,096.40

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Solution

The fourth proportional to 8,506,366.80, 12,759,550.20 and 5,315,096.40 is: 7,972,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,366.80 : 12,759,550.20 = 5,315,096.40 : x
  2. Step 2: Convert to fraction form
    8,506,366.80/12,759,550.20 = 5,315,096.40/x
  3. Step 3: Cross multiply
    8,506,366.80x = 12,759,550.20 × 5,315,096.40
  4. Step 4: Simplify right side
    8,506,366.80x = 67,818,239,333,639.28
  5. Step 5: Solve for x
    x = 67,818,239,333,639.28/8,506,366.80
  6. Step 6: Final answer
    x = 7,972,644.60

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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.