Home / 17,392,121.80-26,088,182.70-15,478,934.20

Finding the Fourth Proportional to 17,392,121.80, 26,088,182.70 and 15,478,934.20

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Solution

The fourth proportional to 17,392,121.80, 26,088,182.70 and 15,478,934.20 is: 23,218,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392,121.80 : 26,088,182.70 = 15,478,934.20 : x
  2. Step 2: Convert to fraction form
    17,392,121.80/26,088,182.70 = 15,478,934.20/x
  3. Step 3: Cross multiply
    17,392,121.80x = 26,088,182.70 × 15,478,934.20
  4. Step 4: Simplify right side
    17,392,121.80x = 403,817,263,410,878.31
  5. Step 5: Solve for x
    x = 403,817,263,410,878.31/17,392,121.80
  6. Step 6: Final answer
    x = 23,218,401.30

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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.