Home / 8,986,282.56-12,401,937.95-5,316,379.11

Finding the Fourth Proportional to 8,986,282.56, 12,401,937.95 and 5,316,379.11

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Solution

The fourth proportional to 8,986,282.56, 12,401,937.95 and 5,316,379.11 is: 7,337,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,282.56 : 12,401,937.95 = 5,316,379.11 : x
  2. Step 2: Convert to fraction form
    8,986,282.56/12,401,937.95 = 5,316,379.11/x
  3. Step 3: Cross multiply
    8,986,282.56x = 12,401,937.95 × 5,316,379.11
  4. Step 4: Simplify right side
    8,986,282.56x = 65,933,403,814,314.34
  5. Step 5: Solve for x
    x = 65,933,403,814,314.34/8,986,282.56
  6. Step 6: Final answer
    x = 7,337,116.70

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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.