Home / 13,914,695.80-20,872,043.70-8,812,862.20

Finding the Fourth Proportional to 13,914,695.80, 20,872,043.70 and 8,812,862.20

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Solution

The fourth proportional to 13,914,695.80, 20,872,043.70 and 8,812,862.20 is: 13,219,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914,695.80 : 20,872,043.70 = 8,812,862.20 : x
  2. Step 2: Convert to fraction form
    13,914,695.80/20,872,043.70 = 8,812,862.20/x
  3. Step 3: Cross multiply
    13,914,695.80x = 20,872,043.70 × 8,812,862.20
  4. Step 4: Simplify right side
    13,914,695.80x = 183,942,444,960,478.12
  5. Step 5: Solve for x
    x = 183,942,444,960,478.12/13,914,695.80
  6. Step 6: Final answer
    x = 13,219,293.30

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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.