Home / 12,739,733.22-19,117,821.15-4,652,031.70

Finding the Fourth Proportional to 12,739,733.22, 19,117,821.15 and 4,652,031.70

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Solution

The fourth proportional to 12,739,733.22, 19,117,821.15 and 4,652,031.70 is: 6,981,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,733.22 : 19,117,821.15 = 4,652,031.70 : x
  2. Step 2: Convert to fraction form
    12,739,733.22/19,117,821.15 = 4,652,031.70/x
  3. Step 3: Cross multiply
    12,739,733.22x = 19,117,821.15 × 4,652,031.70
  4. Step 4: Simplify right side
    12,739,733.22x = 88,936,710,024,730.45
  5. Step 5: Solve for x
    x = 88,936,710,024,730.45/12,739,733.22
  6. Step 6: Final answer
    x = 6,981,049.64

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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.