Home / 20,402,217.18-30,615,283.17-14,638,739.55

Finding the Fourth Proportional to 20,402,217.18, 30,615,283.17 and 14,638,739.55

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Solution

The fourth proportional to 20,402,217.18, 30,615,283.17 and 14,638,739.55 is: 21,966,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,217.18 : 30,615,283.17 = 14,638,739.55 : x
  2. Step 2: Convert to fraction form
    20,402,217.18/30,615,283.17 = 14,638,739.55/x
  3. Step 3: Cross multiply
    20,402,217.18x = 30,615,283.17 × 14,638,739.55
  4. Step 4: Simplify right side
    20,402,217.18x = 448,169,156,575,128.44
  5. Step 5: Solve for x
    x = 448,169,156,575,128.44/20,402,217.18
  6. Step 6: Final answer
    x = 21,966,688.85

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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.