Home / 26,523,529.60-36,589,072.78-15,503,079.40

Finding the Fourth Proportional to 26,523,529.60, 36,589,072.78 and 15,503,079.40

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Solution

The fourth proportional to 26,523,529.60, 36,589,072.78 and 15,503,079.40 is: 21,386,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523,529.60 : 36,589,072.78 = 15,503,079.40 : x
  2. Step 2: Convert to fraction form
    26,523,529.60/36,589,072.78 = 15,503,079.40/x
  3. Step 3: Cross multiply
    26,523,529.60x = 36,589,072.78 × 15,503,079.40
  4. Step 4: Simplify right side
    26,523,529.60x = 567,243,300,480,718.75
  5. Step 5: Solve for x
    x = 567,243,300,480,718.75/26,523,529.60
  6. Step 6: Final answer
    x = 21,386,418.36

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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.