Home / 20,655,032.40-30,954,204.81-13,068,416.88

Finding the Fourth Proportional to 20,655,032.40, 30,954,204.81 and 13,068,416.88

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Solution

The fourth proportional to 20,655,032.40, 30,954,204.81 and 13,068,416.88 is: 19,584,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655,032.40 : 30,954,204.81 = 13,068,416.88 : x
  2. Step 2: Convert to fraction form
    20,655,032.40/30,954,204.81 = 13,068,416.88/x
  3. Step 3: Cross multiply
    20,655,032.40x = 30,954,204.81 × 13,068,416.88
  4. Step 4: Simplify right side
    20,655,032.40x = 404,522,452,645,981.19
  5. Step 5: Solve for x
    x = 404,522,452,645,981.19/20,655,032.40
  6. Step 6: Final answer
    x = 19,584,692.23

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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.