Home / 15,072,727.80-20,791,509.56-9,482,083.92

Finding the Fourth Proportional to 15,072,727.80, 20,791,509.56 and 9,482,083.92

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Solution

The fourth proportional to 15,072,727.80, 20,791,509.56 and 9,482,083.92 is: 13,079,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072,727.80 : 20,791,509.56 = 9,482,083.92 : x
  2. Step 2: Convert to fraction form
    15,072,727.80/20,791,509.56 = 9,482,083.92/x
  3. Step 3: Cross multiply
    15,072,727.80x = 20,791,509.56 × 9,482,083.92
  4. Step 4: Simplify right side
    15,072,727.80x = 197,146,838,471,402.25
  5. Step 5: Solve for x
    x = 197,146,838,471,402.25/15,072,727.80
  6. Step 6: Final answer
    x = 13,079,705.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.