Home / 21,248,506.20-31,872,759.30-16,996,978.20

Finding the Fourth Proportional to 21,248,506.20, 31,872,759.30 and 16,996,978.20

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Solution

The fourth proportional to 21,248,506.20, 31,872,759.30 and 16,996,978.20 is: 25,495,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,506.20 : 31,872,759.30 = 16,996,978.20 : x
  2. Step 2: Convert to fraction form
    21,248,506.20/31,872,759.30 = 16,996,978.20/x
  3. Step 3: Cross multiply
    21,248,506.20x = 31,872,759.30 × 16,996,978.20
  4. Step 4: Simplify right side
    21,248,506.20x = 541,740,594,995,947.25
  5. Step 5: Solve for x
    x = 541,740,594,995,947.25/21,248,506.20
  6. Step 6: Final answer
    x = 25,495,467.30

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Similar ratio
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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.