Home / 13,234,211.78-18,263,167.93-7,353,820.76

Finding the Fourth Proportional to 13,234,211.78, 18,263,167.93 and 7,353,820.76

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Solution

The fourth proportional to 13,234,211.78, 18,263,167.93 and 7,353,820.76 is: 10,148,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234,211.78 : 18,263,167.93 = 7,353,820.76 : x
  2. Step 2: Convert to fraction form
    13,234,211.78/18,263,167.93 = 7,353,820.76/x
  3. Step 3: Cross multiply
    13,234,211.78x = 18,263,167.93 × 7,353,820.76
  4. Step 4: Simplify right side
    13,234,211.78x = 134,304,063,508,285.94
  5. Step 5: Solve for x
    x = 134,304,063,508,285.94/13,234,211.78
  6. Step 6: Final answer
    x = 10,148,248.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.