Home / 12,650,301.72-18,955,582.56-9,778,704.84

Finding the Fourth Proportional to 12,650,301.72, 18,955,582.56 and 9,778,704.84

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Solution

The fourth proportional to 12,650,301.72, 18,955,582.56 and 9,778,704.84 is: 14,652,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650,301.72 : 18,955,582.56 = 9,778,704.84 : x
  2. Step 2: Convert to fraction form
    12,650,301.72/18,955,582.56 = 9,778,704.84/x
  3. Step 3: Cross multiply
    12,650,301.72x = 18,955,582.56 × 9,778,704.84
  4. Step 4: Simplify right side
    12,650,301.72x = 185,361,046,924,491.56
  5. Step 5: Solve for x
    x = 185,361,046,924,491.56/12,650,301.72
  6. Step 6: Final answer
    x = 14,652,697.70

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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.