Home / 8,712,649.20-13,082,970.60-6,585,135.60

Finding the Fourth Proportional to 8,712,649.20, 13,082,970.60 and 6,585,135.60

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Solution

The fourth proportional to 8,712,649.20, 13,082,970.60 and 6,585,135.60 is: 9,888,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712,649.20 : 13,082,970.60 = 6,585,135.60 : x
  2. Step 2: Convert to fraction form
    8,712,649.20/13,082,970.60 = 6,585,135.60/x
  3. Step 3: Cross multiply
    8,712,649.20x = 13,082,970.60 × 6,585,135.60
  4. Step 4: Simplify right side
    8,712,649.20x = 86,153,135,451,813.36
  5. Step 5: Solve for x
    x = 86,153,135,451,813.36/8,712,649.20
  6. Step 6: Final answer
    x = 9,888,282.37

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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.