Home / 21,186,762.70-31,780,439.28-6,040,694.20

Finding the Fourth Proportional to 21,186,762.70, 31,780,439.28 and 6,040,694.20

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Solution

The fourth proportional to 21,186,762.70, 31,780,439.28 and 6,040,694.20 is: 9,061,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,762.70 : 31,780,439.28 = 6,040,694.20 : x
  2. Step 2: Convert to fraction form
    21,186,762.70/31,780,439.28 = 6,040,694.20/x
  3. Step 3: Cross multiply
    21,186,762.70x = 31,780,439.28 × 6,040,694.20
  4. Step 4: Simplify right side
    21,186,762.70x = 191,975,915,232,148.19
  5. Step 5: Solve for x
    x = 191,975,915,232,148.19/21,186,762.70
  6. Step 6: Final answer
    x = 9,061,125.47

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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.