Home / 10,401,986.90-15,572,567.55-7,416,002.90

Finding the Fourth Proportional to 10,401,986.90, 15,572,567.55 and 7,416,002.90

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Solution

The fourth proportional to 10,401,986.90, 15,572,567.55 and 7,416,002.90 is: 11,102,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401,986.90 : 15,572,567.55 = 7,416,002.90 : x
  2. Step 2: Convert to fraction form
    10,401,986.90/15,572,567.55 = 7,416,002.90/x
  3. Step 3: Cross multiply
    10,401,986.90x = 15,572,567.55 × 7,416,002.90
  4. Step 4: Simplify right side
    10,401,986.90x = 115,486,206,111,245.91
  5. Step 5: Solve for x
    x = 115,486,206,111,245.91/10,401,986.90
  6. Step 6: Final answer
    x = 11,102,321.82

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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.