Home / 10,865,719.80-16,298,579.70-2,887,543.80

Finding the Fourth Proportional to 10,865,719.80, 16,298,579.70 and 2,887,543.80

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Solution

The fourth proportional to 10,865,719.80, 16,298,579.70 and 2,887,543.80 is: 4,331,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,719.80 : 16,298,579.70 = 2,887,543.80 : x
  2. Step 2: Convert to fraction form
    10,865,719.80/16,298,579.70 = 2,887,543.80/x
  3. Step 3: Cross multiply
    10,865,719.80x = 16,298,579.70 × 2,887,543.80
  4. Step 4: Simplify right side
    10,865,719.80x = 47,062,862,761,540.85
  5. Step 5: Solve for x
    x = 47,062,862,761,540.85/10,865,719.80
  6. Step 6: Final answer
    x = 4,331,315.70

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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.