Home / 15,788,700.72-21,788,934.12-9,675,948.24

Finding the Fourth Proportional to 15,788,700.72, 21,788,934.12 and 9,675,948.24

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Solution

The fourth proportional to 15,788,700.72, 21,788,934.12 and 9,675,948.24 is: 13,353,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788,700.72 : 21,788,934.12 = 9,675,948.24 : x
  2. Step 2: Convert to fraction form
    15,788,700.72/21,788,934.12 = 9,675,948.24/x
  3. Step 3: Cross multiply
    15,788,700.72x = 21,788,934.12 × 9,675,948.24
  4. Step 4: Simplify right side
    15,788,700.72x = 210,828,598,749,889.97
  5. Step 5: Solve for x
    x = 210,828,598,749,889.97/15,788,700.72
  6. Step 6: Final answer
    x = 13,353,131.62

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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.