Home / 13,971,947.10-20,957,920.65-13,192,500.30

Finding the Fourth Proportional to 13,971,947.10, 20,957,920.65 and 13,192,500.30

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Solution

The fourth proportional to 13,971,947.10, 20,957,920.65 and 13,192,500.30 is: 19,788,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,947.10 : 20,957,920.65 = 13,192,500.30 : x
  2. Step 2: Convert to fraction form
    13,971,947.10/20,957,920.65 = 13,192,500.30/x
  3. Step 3: Cross multiply
    13,971,947.10x = 20,957,920.65 × 13,192,500.30
  4. Step 4: Simplify right side
    13,971,947.10x = 276,487,374,462,501.19
  5. Step 5: Solve for x
    x = 276,487,374,462,501.19/13,971,947.10
  6. Step 6: Final answer
    x = 19,788,750.45

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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.