Home / 13,679,803.96-20,487,007.55-7,599,454.92

Finding the Fourth Proportional to 13,679,803.96, 20,487,007.55 and 7,599,454.92

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Solution

The fourth proportional to 13,679,803.96, 20,487,007.55 and 7,599,454.92 is: 11,381,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,803.96 : 20,487,007.55 = 7,599,454.92 : x
  2. Step 2: Convert to fraction form
    13,679,803.96/20,487,007.55 = 7,599,454.92/x
  3. Step 3: Cross multiply
    13,679,803.96x = 20,487,007.55 × 7,599,454.92
  4. Step 4: Simplify right side
    13,679,803.96x = 155,690,090,340,923.28
  5. Step 5: Solve for x
    x = 155,690,090,340,923.28/13,679,803.96
  6. Step 6: Final answer
    x = 11,381,017.65

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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.