Home / 7,411,631.20-11,117,446.80-7,340,772.40

Finding the Fourth Proportional to 7,411,631.20, 11,117,446.80 and 7,340,772.40

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Solution

The fourth proportional to 7,411,631.20, 11,117,446.80 and 7,340,772.40 is: 11,011,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411,631.20 : 11,117,446.80 = 7,340,772.40 : x
  2. Step 2: Convert to fraction form
    7,411,631.20/11,117,446.80 = 7,340,772.40/x
  3. Step 3: Cross multiply
    7,411,631.20x = 11,117,446.80 × 7,340,772.40
  4. Step 4: Simplify right side
    7,411,631.20x = 81,610,646,627,908.33
  5. Step 5: Solve for x
    x = 81,610,646,627,908.33/7,411,631.20
  6. Step 6: Final answer
    x = 11,011,158.60

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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.