Home / 14,990,779.16-20,687,281.92-8,115,261

Finding the Fourth Proportional to 14,990,779.16, 20,687,281.92 and 8,115,261

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Solution

The fourth proportional to 14,990,779.16, 20,687,281.92 and 8,115,261 is: 11,199,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,779.16 : 20,687,281.92 = 8,115,261 : x
  2. Step 2: Convert to fraction form
    14,990,779.16/20,687,281.92 = 8,115,261/x
  3. Step 3: Cross multiply
    14,990,779.16x = 20,687,281.92 × 8,115,261
  4. Step 4: Simplify right side
    14,990,779.16x = 167,882,692,161,381.12
  5. Step 5: Solve for x
    x = 167,882,692,161,381.12/14,990,779.16
  6. Step 6: Final answer
    x = 11,199,063.80

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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.