Home / 52,409,724.60-78,616,919.70-17,865,622.20

Finding the Fourth Proportional to 52,409,724.60, 78,616,919.70 and 17,865,622.20

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Solution

The fourth proportional to 52,409,724.60, 78,616,919.70 and 17,865,622.20 is: 26,799,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409,724.60 : 78,616,919.70 = 17,865,622.20 : x
  2. Step 2: Convert to fraction form
    52,409,724.60/78,616,919.70 = 17,865,622.20/x
  3. Step 3: Cross multiply
    52,409,724.60x = 78,616,919.70 × 17,865,622.20
  4. Step 4: Simplify right side
    52,409,724.60x = 1,404,540,185,887,937.25
  5. Step 5: Solve for x
    x = 1,404,540,185,887,937.25/52,409,724.60
  6. Step 6: Final answer
    x = 26,799,228.51

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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.