Home / 9,487,127.64-13,092,240.78-5,136,214.68

Finding the Fourth Proportional to 9,487,127.64, 13,092,240.78 and 5,136,214.68

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Solution

The fourth proportional to 9,487,127.64, 13,092,240.78 and 5,136,214.68 is: 7,087,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487,127.64 : 13,092,240.78 = 5,136,214.68 : x
  2. Step 2: Convert to fraction form
    9,487,127.64/13,092,240.78 = 5,136,214.68/x
  3. Step 3: Cross multiply
    9,487,127.64x = 13,092,240.78 × 5,136,214.68
  4. Step 4: Simplify right side
    9,487,127.64x = 67,244,559,288,330.64
  5. Step 5: Solve for x
    x = 67,244,559,288,330.64/9,487,127.64
  6. Step 6: Final answer
    x = 7,087,978.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.