Home / 12,387,521.60-18,581,282.40-3,412,073.60

Finding the Fourth Proportional to 12,387,521.60, 18,581,282.40 and 3,412,073.60

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Solution

The fourth proportional to 12,387,521.60, 18,581,282.40 and 3,412,073.60 is: 5,118,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,521.60 : 18,581,282.40 = 3,412,073.60 : x
  2. Step 2: Convert to fraction form
    12,387,521.60/18,581,282.40 = 3,412,073.60/x
  3. Step 3: Cross multiply
    12,387,521.60x = 18,581,282.40 × 3,412,073.60
  4. Step 4: Simplify right side
    12,387,521.60x = 63,400,703,131,184.63
  5. Step 5: Solve for x
    x = 63,400,703,131,184.63/12,387,521.60
  6. Step 6: Final answer
    x = 5,118,110.40

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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.