Home / 28,739,600.10-43,109,400.15-18,535,932.90

Finding the Fourth Proportional to 28,739,600.10, 43,109,400.15 and 18,535,932.90

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Solution

The fourth proportional to 28,739,600.10, 43,109,400.15 and 18,535,932.90 is: 27,803,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,600.10 : 43,109,400.15 = 18,535,932.90 : x
  2. Step 2: Convert to fraction form
    28,739,600.10/43,109,400.15 = 18,535,932.90/x
  3. Step 3: Cross multiply
    28,739,600.10x = 43,109,400.15 × 18,535,932.90
  4. Step 4: Simplify right side
    28,739,600.10x = 799,072,948,539,649.88
  5. Step 5: Solve for x
    x = 799,072,948,539,649.88/28,739,600.10
  6. Step 6: Final answer
    x = 27,803,899.35

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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.