Home / 13,904,176.65-20,829,363-7,820,423.79

Finding the Fourth Proportional to 13,904,176.65, 20,829,363 and 7,820,423.79

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Solution

The fourth proportional to 13,904,176.65, 20,829,363 and 7,820,423.79 is: 11,715,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,176.65 : 20,829,363 = 7,820,423.79 : x
  2. Step 2: Convert to fraction form
    13,904,176.65/20,829,363 = 7,820,423.79/x
  3. Step 3: Cross multiply
    13,904,176.65x = 20,829,363 × 7,820,423.79
  4. Step 4: Simplify right side
    13,904,176.65x = 162,894,445,935,745.78
  5. Step 5: Solve for x
    x = 162,894,445,935,745.78/13,904,176.65
  6. Step 6: Final answer
    x = 11,715,504.63

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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.