Home / 15,057,408.04-20,779,354.74-8,181,890.08

Finding the Fourth Proportional to 15,057,408.04, 20,779,354.74 and 8,181,890.08

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Solution

The fourth proportional to 15,057,408.04, 20,779,354.74 and 8,181,890.08 is: 11,291,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,408.04 : 20,779,354.74 = 8,181,890.08 : x
  2. Step 2: Convert to fraction form
    15,057,408.04/20,779,354.74 = 8,181,890.08/x
  3. Step 3: Cross multiply
    15,057,408.04x = 20,779,354.74 × 8,181,890.08
  4. Step 4: Simplify right side
    15,057,408.04x = 170,014,396,416,006.97
  5. Step 5: Solve for x
    x = 170,014,396,416,006.97/15,057,408.04
  6. Step 6: Final answer
    x = 11,291,079.84

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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.