Home / 21,787,079.60-32,680,619.40-13,284,023.60

Finding the Fourth Proportional to 21,787,079.60, 32,680,619.40 and 13,284,023.60

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Solution

The fourth proportional to 21,787,079.60, 32,680,619.40 and 13,284,023.60 is: 19,926,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,079.60 : 32,680,619.40 = 13,284,023.60 : x
  2. Step 2: Convert to fraction form
    21,787,079.60/32,680,619.40 = 13,284,023.60/x
  3. Step 3: Cross multiply
    21,787,079.60x = 32,680,619.40 × 13,284,023.60
  4. Step 4: Simplify right side
    21,787,079.60x = 434,130,119,372,217.81
  5. Step 5: Solve for x
    x = 434,130,119,372,217.81/21,787,079.60
  6. Step 6: Final answer
    x = 19,926,035.40

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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.