Home / 10,156,144.74-14,015,478.20-5,805,324.42

Finding the Fourth Proportional to 10,156,144.74, 14,015,478.20 and 5,805,324.42

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Solution

The fourth proportional to 10,156,144.74, 14,015,478.20 and 5,805,324.42 is: 8,011,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,144.74 : 14,015,478.20 = 5,805,324.42 : x
  2. Step 2: Convert to fraction form
    10,156,144.74/14,015,478.20 = 5,805,324.42/x
  3. Step 3: Cross multiply
    10,156,144.74x = 14,015,478.20 × 5,805,324.42
  4. Step 4: Simplify right side
    10,156,144.74x = 81,364,397,852,437.64
  5. Step 5: Solve for x
    x = 81,364,397,852,437.64/10,156,144.74
  6. Step 6: Final answer
    x = 8,011,346.82

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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.