Home / 17,095,773.20-25,643,659.80-5,128,509.20

Finding the Fourth Proportional to 17,095,773.20, 25,643,659.80 and 5,128,509.20

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Solution

The fourth proportional to 17,095,773.20, 25,643,659.80 and 5,128,509.20 is: 7,692,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095,773.20 : 25,643,659.80 = 5,128,509.20 : x
  2. Step 2: Convert to fraction form
    17,095,773.20/25,643,659.80 = 5,128,509.20/x
  3. Step 3: Cross multiply
    17,095,773.20x = 25,643,659.80 × 5,128,509.20
  4. Step 4: Simplify right side
    17,095,773.20x = 131,513,745,205,970.17
  5. Step 5: Solve for x
    x = 131,513,745,205,970.17/17,095,773.20
  6. Step 6: Final answer
    x = 7,692,763.80

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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.