Home / 21,394,753.20-29,526,225.84-12,102,332.76

Finding the Fourth Proportional to 21,394,753.20, 29,526,225.84 and 12,102,332.76

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Solution

The fourth proportional to 21,394,753.20, 29,526,225.84 and 12,102,332.76 is: 16,702,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394,753.20 : 29,526,225.84 = 12,102,332.76 : x
  2. Step 2: Convert to fraction form
    21,394,753.20/29,526,225.84 = 12,102,332.76/x
  3. Step 3: Cross multiply
    21,394,753.20x = 29,526,225.84 × 12,102,332.76
  4. Step 4: Simplify right side
    21,394,753.20x = 357,336,210,262,590.50
  5. Step 5: Solve for x
    x = 357,336,210,262,590.50/21,394,753.20
  6. Step 6: Final answer
    x = 16,702,048.72

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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.