Home / 12,402,456.30-18,603,684.45-8,983,519.20

Finding the Fourth Proportional to 12,402,456.30, 18,603,684.45 and 8,983,519.20

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Solution

The fourth proportional to 12,402,456.30, 18,603,684.45 and 8,983,519.20 is: 13,475,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,456.30 : 18,603,684.45 = 8,983,519.20 : x
  2. Step 2: Convert to fraction form
    12,402,456.30/18,603,684.45 = 8,983,519.20/x
  3. Step 3: Cross multiply
    12,402,456.30x = 18,603,684.45 × 8,983,519.20
  4. Step 4: Simplify right side
    12,402,456.30x = 167,126,556,447,316.41
  5. Step 5: Solve for x
    x = 167,126,556,447,316.41/12,402,456.30
  6. Step 6: Final answer
    x = 13,475,278.80

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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.