Home / 13,248,818.60-19,873,227.90-12,292,224.80

Finding the Fourth Proportional to 13,248,818.60, 19,873,227.90 and 12,292,224.80

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Solution

The fourth proportional to 13,248,818.60, 19,873,227.90 and 12,292,224.80 is: 18,438,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,818.60 : 19,873,227.90 = 12,292,224.80 : x
  2. Step 2: Convert to fraction form
    13,248,818.60/19,873,227.90 = 12,292,224.80/x
  3. Step 3: Cross multiply
    13,248,818.60x = 19,873,227.90 × 12,292,224.80
  4. Step 4: Simplify right side
    13,248,818.60x = 244,286,184,848,431.91
  5. Step 5: Solve for x
    x = 244,286,184,848,431.91/13,248,818.60
  6. Step 6: Final answer
    x = 18,438,337.20

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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.