Home / 13,902,283.15-20,853,424.73-12,957,499.15

Finding the Fourth Proportional to 13,902,283.15, 20,853,424.73 and 12,957,499.15

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Solution

The fourth proportional to 13,902,283.15, 20,853,424.73 and 12,957,499.15 is: 19,436,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,283.15 : 20,853,424.73 = 12,957,499.15 : x
  2. Step 2: Convert to fraction form
    13,902,283.15/20,853,424.73 = 12,957,499.15/x
  3. Step 3: Cross multiply
    13,902,283.15x = 20,853,424.73 × 12,957,499.15
  4. Step 4: Simplify right side
    13,902,283.15x = 270,208,233,148,776.50
  5. Step 5: Solve for x
    x = 270,208,233,148,776.50/13,902,283.15
  6. Step 6: Final answer
    x = 19,436,248.73

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1.5x scale

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.