Home / 19,541,731.20-29,312,846.10-5,164,674.72

Finding the Fourth Proportional to 19,541,731.20, 29,312,846.10 and 5,164,674.72

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Solution

The fourth proportional to 19,541,731.20, 29,312,846.10 and 5,164,674.72 is: 7,747,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541,731.20 : 29,312,846.10 = 5,164,674.72 : x
  2. Step 2: Convert to fraction form
    19,541,731.20/29,312,846.10 = 5,164,674.72/x
  3. Step 3: Cross multiply
    19,541,731.20x = 29,312,846.10 × 5,164,674.72
  4. Step 4: Simplify right side
    19,541,731.20x = 151,391,315,223,920.59
  5. Step 5: Solve for x
    x = 151,391,315,223,920.59/19,541,731.20
  6. Step 6: Final answer
    x = 7,747,077.97

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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.