Home / 15,234,442.08-21,023,530.30-8,708,212.92

Finding the Fourth Proportional to 15,234,442.08, 21,023,530.30 and 8,708,212.92

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Solution

The fourth proportional to 15,234,442.08, 21,023,530.30 and 8,708,212.92 is: 12,017,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,442.08 : 21,023,530.30 = 8,708,212.92 : x
  2. Step 2: Convert to fraction form
    15,234,442.08/21,023,530.30 = 8,708,212.92/x
  3. Step 3: Cross multiply
    15,234,442.08x = 21,023,530.30 × 8,708,212.92
  4. Step 4: Simplify right side
    15,234,442.08x = 183,077,378,182,471.47
  5. Step 5: Solve for x
    x = 183,077,378,182,471.47/15,234,442.08
  6. Step 6: Final answer
    x = 12,017,333.96

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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.