Home / 12,291,101.60-18,436,652.40-3,316,560.80

Finding the Fourth Proportional to 12,291,101.60, 18,436,652.40 and 3,316,560.80

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Solution

The fourth proportional to 12,291,101.60, 18,436,652.40 and 3,316,560.80 is: 4,974,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,101.60 : 18,436,652.40 = 3,316,560.80 : x
  2. Step 2: Convert to fraction form
    12,291,101.60/18,436,652.40 = 3,316,560.80/x
  3. Step 3: Cross multiply
    12,291,101.60x = 18,436,652.40 × 3,316,560.80
  4. Step 4: Simplify right side
    12,291,101.60x = 61,146,278,633,065.91
  5. Step 5: Solve for x
    x = 61,146,278,633,065.91/12,291,101.60
  6. Step 6: Final answer
    x = 4,974,841.20

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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.