Home / 13,842,813.12-20,757,131.04-7,369,565.76

Finding the Fourth Proportional to 13,842,813.12, 20,757,131.04 and 7,369,565.76

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Solution

The fourth proportional to 13,842,813.12, 20,757,131.04 and 7,369,565.76 is: 11,050,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,813.12 : 20,757,131.04 = 7,369,565.76 : x
  2. Step 2: Convert to fraction form
    13,842,813.12/20,757,131.04 = 7,369,565.76/x
  3. Step 3: Cross multiply
    13,842,813.12x = 20,757,131.04 × 7,369,565.76
  4. Step 4: Simplify right side
    13,842,813.12x = 152,971,042,188,217.19
  5. Step 5: Solve for x
    x = 152,971,042,188,217.19/13,842,813.12
  6. Step 6: Final answer
    x = 11,050,574.83

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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.