Home / 38,437,776.55-53,044,126.32-21,034,117.18

Finding the Fourth Proportional to 38,437,776.55, 53,044,126.32 and 21,034,117.18

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Solution

The fourth proportional to 38,437,776.55, 53,044,126.32 and 21,034,117.18 is: 29,027,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437,776.55 : 53,044,126.32 = 21,034,117.18 : x
  2. Step 2: Convert to fraction form
    38,437,776.55/53,044,126.32 = 21,034,117.18/x
  3. Step 3: Cross multiply
    38,437,776.55x = 53,044,126.32 × 21,034,117.18
  4. Step 4: Simplify right side
    38,437,776.55x = 1,115,736,368,725,602.12
  5. Step 5: Solve for x
    x = 1,115,736,368,725,602.12/38,437,776.55
  6. Step 6: Final answer
    x = 29,027,078.80

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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.