Home / 10,631,720.80-15,936,694.80-5,232,066.40

Finding the Fourth Proportional to 10,631,720.80, 15,936,694.80 and 5,232,066.40

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Solution

The fourth proportional to 10,631,720.80, 15,936,694.80 and 5,232,066.40 is: 7,842,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,720.80 : 15,936,694.80 = 5,232,066.40 : x
  2. Step 2: Convert to fraction form
    10,631,720.80/15,936,694.80 = 5,232,066.40/x
  3. Step 3: Cross multiply
    10,631,720.80x = 15,936,694.80 × 5,232,066.40
  4. Step 4: Simplify right side
    10,631,720.80x = 83,381,845,390,134.73
  5. Step 5: Solve for x
    x = 83,381,845,390,134.73/10,631,720.80
  6. Step 6: Final answer
    x = 7,842,742.20

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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.