Home / 8,697,721.80-13,046,582.70-7,291,043.40

Finding the Fourth Proportional to 8,697,721.80, 13,046,582.70 and 7,291,043.40

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Solution

The fourth proportional to 8,697,721.80, 13,046,582.70 and 7,291,043.40 is: 10,936,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,721.80 : 13,046,582.70 = 7,291,043.40 : x
  2. Step 2: Convert to fraction form
    8,697,721.80/13,046,582.70 = 7,291,043.40/x
  3. Step 3: Cross multiply
    8,697,721.80x = 13,046,582.70 × 7,291,043.40
  4. Step 4: Simplify right side
    8,697,721.80x = 95,123,200,687,389.17
  5. Step 5: Solve for x
    x = 95,123,200,687,389.17/8,697,721.80
  6. Step 6: Final answer
    x = 10,936,565.10

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Similar ratio
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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.