Home / 21,248,517.70-31,872,776.55-16,996,989.70

Finding the Fourth Proportional to 21,248,517.70, 31,872,776.55 and 16,996,989.70

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Solution

The fourth proportional to 21,248,517.70, 31,872,776.55 and 16,996,989.70 is: 25,495,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,517.70 : 31,872,776.55 = 16,996,989.70 : x
  2. Step 2: Convert to fraction form
    21,248,517.70/31,872,776.55 = 16,996,989.70/x
  3. Step 3: Cross multiply
    21,248,517.70x = 31,872,776.55 × 16,996,989.70
  4. Step 4: Simplify right side
    21,248,517.70x = 541,741,254,730,751.50
  5. Step 5: Solve for x
    x = 541,741,254,730,751.50/21,248,517.70
  6. Step 6: Final answer
    x = 25,495,484.55

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1.5x scale

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.