Home / 20,700,038.85-28,546,677.36-16,359,494.55

Finding the Fourth Proportional to 20,700,038.85, 28,546,677.36 and 16,359,494.55

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Solution

The fourth proportional to 20,700,038.85, 28,546,677.36 and 16,359,494.55 is: 22,560,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,038.85 : 28,546,677.36 = 16,359,494.55 : x
  2. Step 2: Convert to fraction form
    20,700,038.85/28,546,677.36 = 16,359,494.55/x
  3. Step 3: Cross multiply
    20,700,038.85x = 28,546,677.36 × 16,359,494.55
  4. Step 4: Simplify right side
    20,700,038.85x = 467,009,212,691,528.38
  5. Step 5: Solve for x
    x = 467,009,212,691,528.38/20,700,038.85
  6. Step 6: Final answer
    x = 22,560,789.19

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1.5x scale

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.