Home / 15,401,234-21,206,227.56-13,679,364.08

Finding the Fourth Proportional to 15,401,234, 21,206,227.56 and 13,679,364.08

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Solution

The fourth proportional to 15,401,234, 21,206,227.56 and 13,679,364.08 is: 18,835,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,234 : 21,206,227.56 = 13,679,364.08 : x
  2. Step 2: Convert to fraction form
    15,401,234/21,206,227.56 = 13,679,364.08/x
  3. Step 3: Cross multiply
    15,401,234x = 21,206,227.56 × 13,679,364.08
  4. Step 4: Simplify right side
    15,401,234x = 290,087,707,556,570
  5. Step 5: Solve for x
    x = 290,087,707,556,570/15,401,234
  6. Step 6: Final answer
    x = 18,835,354.85

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1.5x scale

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.