Home / 17,095,639.70-25,643,459.55-5,128,375.70

Finding the Fourth Proportional to 17,095,639.70, 25,643,459.55 and 5,128,375.70

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Solution

The fourth proportional to 17,095,639.70, 25,643,459.55 and 5,128,375.70 is: 7,692,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095,639.70 : 25,643,459.55 = 5,128,375.70 : x
  2. Step 2: Convert to fraction form
    17,095,639.70/25,643,459.55 = 5,128,375.70/x
  3. Step 3: Cross multiply
    17,095,639.70x = 25,643,459.55 × 5,128,375.70
  4. Step 4: Simplify right side
    17,095,639.70x = 131,509,294,820,152.94
  5. Step 5: Solve for x
    x = 131,509,294,820,152.94/17,095,639.70
  6. Step 6: Final answer
    x = 7,692,563.55

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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.