Home / 21,382,664.22-29,532,432.95-14,495,188.86

Finding the Fourth Proportional to 21,382,664.22, 29,532,432.95 and 14,495,188.86

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Solution

The fourth proportional to 21,382,664.22, 29,532,432.95 and 14,495,188.86 is: 20,019,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,664.22 : 29,532,432.95 = 14,495,188.86 : x
  2. Step 2: Convert to fraction form
    21,382,664.22/29,532,432.95 = 14,495,188.86/x
  3. Step 3: Cross multiply
    21,382,664.22x = 29,532,432.95 × 14,495,188.86
  4. Step 4: Simplify right side
    21,382,664.22x = 428,078,193,279,700
  5. Step 5: Solve for x
    x = 428,078,193,279,700/21,382,664.22
  6. Step 6: Final answer
    x = 20,019,871.65

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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.