Home / 15,287,612.32-21,097,598.64-9,488,261.92

Finding the Fourth Proportional to 15,287,612.32, 21,097,598.64 and 9,488,261.92

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Solution

The fourth proportional to 15,287,612.32, 21,097,598.64 and 9,488,261.92 is: 13,094,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,612.32 : 21,097,598.64 = 9,488,261.92 : x
  2. Step 2: Convert to fraction form
    15,287,612.32/21,097,598.64 = 9,488,261.92/x
  3. Step 3: Cross multiply
    15,287,612.32x = 21,097,598.64 × 9,488,261.92
  4. Step 4: Simplify right side
    15,287,612.32x = 200,179,541,779,355.78
  5. Step 5: Solve for x
    x = 200,179,541,779,355.78/15,287,612.32
  6. Step 6: Final answer
    x = 13,094,231.96

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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.