Home / 13,998,236.80-20,999,616.72-5,912,428

Finding the Fourth Proportional to 13,998,236.80, 20,999,616.72 and 5,912,428

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Solution

The fourth proportional to 13,998,236.80, 20,999,616.72 and 5,912,428 is: 8,869,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,236.80 : 20,999,616.72 = 5,912,428 : x
  2. Step 2: Convert to fraction form
    13,998,236.80/20,999,616.72 = 5,912,428/x
  3. Step 3: Cross multiply
    13,998,236.80x = 20,999,616.72 × 5,912,428
  4. Step 4: Simplify right side
    13,998,236.80x = 124,158,721,884,596.16
  5. Step 5: Solve for x
    x = 124,158,721,884,596.16/13,998,236.80
  6. Step 6: Final answer
    x = 8,869,597.20

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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.