Home / 26,073,142.60-39,109,713.90-7,880,145.70

Finding the Fourth Proportional to 26,073,142.60, 39,109,713.90 and 7,880,145.70

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Solution

The fourth proportional to 26,073,142.60, 39,109,713.90 and 7,880,145.70 is: 11,820,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,073,142.60 : 39,109,713.90 = 7,880,145.70 : x
  2. Step 2: Convert to fraction form
    26,073,142.60/39,109,713.90 = 7,880,145.70/x
  3. Step 3: Cross multiply
    26,073,142.60x = 39,109,713.90 × 7,880,145.70
  4. Step 4: Simplify right side
    26,073,142.60x = 308,190,243,817,315.25
  5. Step 5: Solve for x
    x = 308,190,243,817,315.25/26,073,142.60
  6. Step 6: Final answer
    x = 11,820,218.55

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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.