Home / 13,943,280.30-20,914,920.45-12,998,496.30

Finding the Fourth Proportional to 13,943,280.30, 20,914,920.45 and 12,998,496.30

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Solution

The fourth proportional to 13,943,280.30, 20,914,920.45 and 12,998,496.30 is: 19,497,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,280.30 : 20,914,920.45 = 12,998,496.30 : x
  2. Step 2: Convert to fraction form
    13,943,280.30/20,914,920.45 = 12,998,496.30/x
  3. Step 3: Cross multiply
    13,943,280.30x = 20,914,920.45 × 12,998,496.30
  4. Step 4: Simplify right side
    13,943,280.30x = 271,862,516,084,119.34
  5. Step 5: Solve for x
    x = 271,862,516,084,119.34/13,943,280.30
  6. Step 6: Final answer
    x = 19,497,744.45

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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.