Home / 13,306,869.60-19,922,979.60-12,933,621.60

Finding the Fourth Proportional to 13,306,869.60, 19,922,979.60 and 12,933,621.60

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Solution

The fourth proportional to 13,306,869.60, 19,922,979.60 and 12,933,621.60 is: 19,364,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,869.60 : 19,922,979.60 = 12,933,621.60 : x
  2. Step 2: Convert to fraction form
    13,306,869.60/19,922,979.60 = 12,933,621.60/x
  3. Step 3: Cross multiply
    13,306,869.60x = 19,922,979.60 × 12,933,621.60
  4. Step 4: Simplify right side
    13,306,869.60x = 257,676,279,290,919.38
  5. Step 5: Solve for x
    x = 257,676,279,290,919.38/13,306,869.60
  6. Step 6: Final answer
    x = 19,364,154.53

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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.