Home / 21,382,663.95-29,532,432.57-14,495,188.59

Finding the Fourth Proportional to 21,382,663.95, 29,532,432.57 and 14,495,188.59

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Solution

The fourth proportional to 21,382,663.95, 29,532,432.57 and 14,495,188.59 is: 20,019,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,663.95 : 29,532,432.57 = 14,495,188.59 : x
  2. Step 2: Convert to fraction form
    21,382,663.95/29,532,432.57 = 14,495,188.59/x
  3. Step 3: Cross multiply
    21,382,663.95x = 29,532,432.57 × 14,495,188.59
  4. Step 4: Simplify right side
    21,382,663.95x = 428,078,179,623,608.38
  5. Step 5: Solve for x
    x = 428,078,179,623,608.38/21,382,663.95
  6. Step 6: Final answer
    x = 20,019,871.27

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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.