Home / 15,035,724.16-20,749,454.40-8,160,265.60

Finding the Fourth Proportional to 15,035,724.16, 20,749,454.40 and 8,160,265.60

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Solution

The fourth proportional to 15,035,724.16, 20,749,454.40 and 8,160,265.60 is: 11,261,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,724.16 : 20,749,454.40 = 8,160,265.60 : x
  2. Step 2: Convert to fraction form
    15,035,724.16/20,749,454.40 = 8,160,265.60/x
  3. Step 3: Cross multiply
    15,035,724.16x = 20,749,454.40 × 8,160,265.60
  4. Step 4: Simplify right side
    15,035,724.16x = 169,321,058,959,088.62
  5. Step 5: Solve for x
    x = 169,321,058,959,088.62/15,035,724.16
  6. Step 6: Final answer
    x = 11,261,250.68

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1.5x scale

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.