Home / 10,069,391.20-15,104,086.80-2,881,159.60

Finding the Fourth Proportional to 10,069,391.20, 15,104,086.80 and 2,881,159.60

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Solution

The fourth proportional to 10,069,391.20, 15,104,086.80 and 2,881,159.60 is: 4,321,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069,391.20 : 15,104,086.80 = 2,881,159.60 : x
  2. Step 2: Convert to fraction form
    10,069,391.20/15,104,086.80 = 2,881,159.60/x
  3. Step 3: Cross multiply
    10,069,391.20x = 15,104,086.80 × 2,881,159.60
  4. Step 4: Simplify right side
    10,069,391.20x = 43,517,284,683,053.28
  5. Step 5: Solve for x
    x = 43,517,284,683,053.28/10,069,391.20
  6. Step 6: Final answer
    x = 4,321,739.40

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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.