Home / 39,172,887.40-58,759,331.10-21,033,034.60

Finding the Fourth Proportional to 39,172,887.40, 58,759,331.10 and 21,033,034.60

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Solution

The fourth proportional to 39,172,887.40, 58,759,331.10 and 21,033,034.60 is: 31,549,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172,887.40 : 58,759,331.10 = 21,033,034.60 : x
  2. Step 2: Convert to fraction form
    39,172,887.40/58,759,331.10 = 21,033,034.60/x
  3. Step 3: Cross multiply
    39,172,887.40x = 58,759,331.10 × 21,033,034.60
  4. Step 4: Simplify right side
    39,172,887.40x = 1,235,887,044,099,156.25
  5. Step 5: Solve for x
    x = 1,235,887,044,099,156.25/39,172,887.40
  6. Step 6: Final answer
    x = 31,549,551.90

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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.