Home / 12,387,339.60-18,581,009.40-3,411,891.60

Finding the Fourth Proportional to 12,387,339.60, 18,581,009.40 and 3,411,891.60

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Solution

The fourth proportional to 12,387,339.60, 18,581,009.40 and 3,411,891.60 is: 5,117,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,339.60 : 18,581,009.40 = 3,411,891.60 : x
  2. Step 2: Convert to fraction form
    12,387,339.60/18,581,009.40 = 3,411,891.60/x
  3. Step 3: Cross multiply
    12,387,339.60x = 18,581,009.40 × 3,411,891.60
  4. Step 4: Simplify right side
    12,387,339.60x = 63,396,389,891,381.04
  5. Step 5: Solve for x
    x = 63,396,389,891,381.04/12,387,339.60
  6. Step 6: Final answer
    x = 5,117,837.40

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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.