Home / 6,878,086.40-10,292,635.20-5,989,289.60

Finding the Fourth Proportional to 6,878,086.40, 10,292,635.20 and 5,989,289.60

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Solution

The fourth proportional to 6,878,086.40, 10,292,635.20 and 5,989,289.60 is: 8,962,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,086.40 : 10,292,635.20 = 5,989,289.60 : x
  2. Step 2: Convert to fraction form
    6,878,086.40/10,292,635.20 = 5,989,289.60/x
  3. Step 3: Cross multiply
    6,878,086.40x = 10,292,635.20 × 5,989,289.60
  4. Step 4: Simplify right side
    6,878,086.40x = 61,645,572,959,953.91
  5. Step 5: Solve for x
    x = 61,645,572,959,953.91/6,878,086.40
  6. Step 6: Final answer
    x = 8,962,605.20

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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.