Home / 15,375,483.52-21,218,610.08-8,500,408.45

Finding the Fourth Proportional to 15,375,483.52, 21,218,610.08 and 8,500,408.45

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Solution

The fourth proportional to 15,375,483.52, 21,218,610.08 and 8,500,408.45 is: 11,730,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375,483.52 : 21,218,610.08 = 8,500,408.45 : x
  2. Step 2: Convert to fraction form
    15,375,483.52/21,218,610.08 = 8,500,408.45/x
  3. Step 3: Cross multiply
    15,375,483.52x = 21,218,610.08 × 8,500,408.45
  4. Step 4: Simplify right side
    15,375,483.52x = 180,366,852,389,491.66
  5. Step 5: Solve for x
    x = 180,366,852,389,491.66/15,375,483.52
  6. Step 6: Final answer
    x = 11,730,808.48

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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.