Home / 7,666,731.18-11,513,112.78-5,124,284.28

Finding the Fourth Proportional to 7,666,731.18, 11,513,112.78 and 5,124,284.28

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Solution

The fourth proportional to 7,666,731.18, 11,513,112.78 and 5,124,284.28 is: 7,695,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666,731.18 : 11,513,112.78 = 5,124,284.28 : x
  2. Step 2: Convert to fraction form
    7,666,731.18/11,513,112.78 = 5,124,284.28/x
  3. Step 3: Cross multiply
    7,666,731.18x = 11,513,112.78 × 5,124,284.28
  4. Step 4: Simplify right side
    7,666,731.18x = 58,996,462,832,421.10
  5. Step 5: Solve for x
    x = 58,996,462,832,421.10/7,666,731.18
  6. Step 6: Final answer
    x = 7,695,126.05

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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.