Home / 8,757,984.87-11,980,985.13-8,721,097.20

Finding the Fourth Proportional to 8,757,984.87, 11,980,985.13 and 8,721,097.20

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Solution

The fourth proportional to 8,757,984.87, 11,980,985.13 and 8,721,097.20 is: 11,930,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757,984.87 : 11,980,985.13 = 8,721,097.20 : x
  2. Step 2: Convert to fraction form
    8,757,984.87/11,980,985.13 = 8,721,097.20/x
  3. Step 3: Cross multiply
    8,757,984.87x = 11,980,985.13 × 8,721,097.20
  4. Step 4: Simplify right side
    8,757,984.87x = 104,487,335,870,484.64
  5. Step 5: Solve for x
    x = 104,487,335,870,484.64/8,757,984.87
  6. Step 6: Final answer
    x = 11,930,522.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.