Home / 10,206,572.90-15,295,862.55-8,317,004.90

Finding the Fourth Proportional to 10,206,572.90, 15,295,862.55 and 8,317,004.90

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Solution

The fourth proportional to 10,206,572.90, 15,295,862.55 and 8,317,004.90 is: 12,464,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,572.90 : 15,295,862.55 = 8,317,004.90 : x
  2. Step 2: Convert to fraction form
    10,206,572.90/15,295,862.55 = 8,317,004.90/x
  3. Step 3: Cross multiply
    10,206,572.90x = 15,295,862.55 × 8,317,004.90
  4. Step 4: Simplify right side
    10,206,572.90x = 127,215,763,778,076.50
  5. Step 5: Solve for x
    x = 127,215,763,778,076.50/10,206,572.90
  6. Step 6: Final answer
    x = 12,464,101.81

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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.