Home / 10,985,140.76-16,478,396.25-2,898,124.15

Finding the Fourth Proportional to 10,985,140.76, 16,478,396.25 and 2,898,124.15

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Solution

The fourth proportional to 10,985,140.76, 16,478,396.25 and 2,898,124.15 is: 4,347,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,140.76 : 16,478,396.25 = 2,898,124.15 : x
  2. Step 2: Convert to fraction form
    10,985,140.76/16,478,396.25 = 2,898,124.15/x
  3. Step 3: Cross multiply
    10,985,140.76x = 16,478,396.25 × 2,898,124.15
  4. Step 4: Simplify right side
    10,985,140.76x = 47,756,438,125,394.44
  5. Step 5: Solve for x
    x = 47,756,438,125,394.44/10,985,140.76
  6. Step 6: Final answer
    x = 4,347,366.97

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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.