Home / 10,872,006.69-15,003,378.77-5,977,312.05

Finding the Fourth Proportional to 10,872,006.69, 15,003,378.77 and 5,977,312.05

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Solution

The fourth proportional to 10,872,006.69, 15,003,378.77 and 5,977,312.05 is: 8,248,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,006.69 : 15,003,378.77 = 5,977,312.05 : x
  2. Step 2: Convert to fraction form
    10,872,006.69/15,003,378.77 = 5,977,312.05/x
  3. Step 3: Cross multiply
    10,872,006.69x = 15,003,378.77 × 5,977,312.05
  4. Step 4: Simplify right side
    10,872,006.69x = 89,679,876,682,748.62
  5. Step 5: Solve for x
    x = 89,679,876,682,748.62/10,872,006.69
  6. Step 6: Final answer
    x = 8,248,695.87

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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.