Home / 17,680,943.70-26,521,415.55-13,429,415.70

Finding the Fourth Proportional to 17,680,943.70, 26,521,415.55 and 13,429,415.70

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Solution

The fourth proportional to 17,680,943.70, 26,521,415.55 and 13,429,415.70 is: 20,144,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,943.70 : 26,521,415.55 = 13,429,415.70 : x
  2. Step 2: Convert to fraction form
    17,680,943.70/26,521,415.55 = 13,429,415.70/x
  3. Step 3: Cross multiply
    17,680,943.70x = 26,521,415.55 × 13,429,415.70
  4. Step 4: Simplify right side
    17,680,943.70x = 356,167,114,373,394.12
  5. Step 5: Solve for x
    x = 356,167,114,373,394.12/17,680,943.70
  6. Step 6: Final answer
    x = 20,144,123.55

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1.5x scale

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.