Home / 15,754,714.50-21,748,769.74-9,227,442.90

Finding the Fourth Proportional to 15,754,714.50, 21,748,769.74 and 9,227,442.90

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Solution

The fourth proportional to 15,754,714.50, 21,748,769.74 and 9,227,442.90 is: 12,738,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754,714.50 : 21,748,769.74 = 9,227,442.90 : x
  2. Step 2: Convert to fraction form
    15,754,714.50/21,748,769.74 = 9,227,442.90/x
  3. Step 3: Cross multiply
    15,754,714.50x = 21,748,769.74 × 9,227,442.90
  4. Step 4: Simplify right side
    15,754,714.50x = 200,685,530,921,097.84
  5. Step 5: Solve for x
    x = 200,685,530,921,097.84/15,754,714.50
  6. Step 6: Final answer
    x = 12,738,125.53

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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.