Home / 13,147,933.40-19,712,568.90-5,962,909.40

Finding the Fourth Proportional to 13,147,933.40, 19,712,568.90 and 5,962,909.40

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Solution

The fourth proportional to 13,147,933.40, 19,712,568.90 and 5,962,909.40 is: 8,940,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,933.40 : 19,712,568.90 = 5,962,909.40 : x
  2. Step 2: Convert to fraction form
    13,147,933.40/19,712,568.90 = 5,962,909.40/x
  3. Step 3: Cross multiply
    13,147,933.40x = 19,712,568.90 × 5,962,909.40
  4. Step 4: Simplify right side
    13,147,933.40x = 117,544,262,391,957.66
  5. Step 5: Solve for x
    x = 117,544,262,391,957.66/13,147,933.40
  6. Step 6: Final answer
    x = 8,940,132.17

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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.