Home / 15,411,584.83-21,253,315.97-9,215,647.07

Finding the Fourth Proportional to 15,411,584.83, 21,253,315.97 and 9,215,647.07

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Solution

The fourth proportional to 15,411,584.83, 21,253,315.97 and 9,215,647.07 is: 12,708,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,584.83 : 21,253,315.97 = 9,215,647.07 : x
  2. Step 2: Convert to fraction form
    15,411,584.83/21,253,315.97 = 9,215,647.07/x
  3. Step 3: Cross multiply
    15,411,584.83x = 21,253,315.97 × 9,215,647.07
  4. Step 4: Simplify right side
    15,411,584.83x = 195,863,059,031,199.16
  5. Step 5: Solve for x
    x = 195,863,059,031,199.16/15,411,584.83
  6. Step 6: Final answer
    x = 12,708,820.10

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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.