Home / 13,288,272.80-19,919,967.60-10,408,042.40

Finding the Fourth Proportional to 13,288,272.80, 19,919,967.60 and 10,408,042.40

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Solution

The fourth proportional to 13,288,272.80, 19,919,967.60 and 10,408,042.40 is: 15,602,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,272.80 : 19,919,967.60 = 10,408,042.40 : x
  2. Step 2: Convert to fraction form
    13,288,272.80/19,919,967.60 = 10,408,042.40/x
  3. Step 3: Cross multiply
    13,288,272.80x = 19,919,967.60 × 10,408,042.40
  4. Step 4: Simplify right side
    13,288,272.80x = 207,327,867,387,426.25
  5. Step 5: Solve for x
    x = 207,327,867,387,426.25/13,288,272.80
  6. Step 6: Final answer
    x = 15,602,318.71

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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.