Home / 18,301,779.20-25,235,841.12-14,983,760

Finding the Fourth Proportional to 18,301,779.20, 25,235,841.12 and 14,983,760

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Solution

The fourth proportional to 18,301,779.20, 25,235,841.12 and 14,983,760 is: 20,660,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301,779.20 : 25,235,841.12 = 14,983,760 : x
  2. Step 2: Convert to fraction form
    18,301,779.20/25,235,841.12 = 14,983,760/x
  3. Step 3: Cross multiply
    18,301,779.20x = 25,235,841.12 × 14,983,760
  4. Step 4: Simplify right side
    18,301,779.20x = 378,127,786,740,211.19
  5. Step 5: Solve for x
    x = 378,127,786,740,211.19/18,301,779.20
  6. Step 6: Final answer
    x = 20,660,711.87

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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.