Home / 9,711,427.52-13,401,770.64-5,360,514.86

Finding the Fourth Proportional to 9,711,427.52, 13,401,770.64 and 5,360,514.86

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Solution

The fourth proportional to 9,711,427.52, 13,401,770.64 and 5,360,514.86 is: 7,397,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711,427.52 : 13,401,770.64 = 5,360,514.86 : x
  2. Step 2: Convert to fraction form
    9,711,427.52/13,401,770.64 = 5,360,514.86/x
  3. Step 3: Cross multiply
    9,711,427.52x = 13,401,770.64 × 5,360,514.86
  4. Step 4: Simplify right side
    9,711,427.52x = 71,840,390,666,031.72
  5. Step 5: Solve for x
    x = 71,840,390,666,031.72/9,711,427.52
  6. Step 6: Final answer
    x = 7,397,510.87

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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.