Home / 22,861,638-31,549,467.60-12,549,320.64

Finding the Fourth Proportional to 22,861,638, 31,549,467.60 and 12,549,320.64

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Solution

The fourth proportional to 22,861,638, 31,549,467.60 and 12,549,320.64 is: 17,318,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861,638 : 31,549,467.60 = 12,549,320.64 : x
  2. Step 2: Convert to fraction form
    22,861,638/31,549,467.60 = 12,549,320.64/x
  3. Step 3: Cross multiply
    22,861,638x = 31,549,467.60 × 12,549,320.64
  4. Step 4: Simplify right side
    22,861,638x = 395,924,384,933,691.31
  5. Step 5: Solve for x
    x = 395,924,384,933,691.31/22,861,638
  6. Step 6: Final answer
    x = 17,318,285.98

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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.