Home / 8,458,117.68-12,692,514-3,600,416.88

Finding the Fourth Proportional to 8,458,117.68, 12,692,514 and 3,600,416.88

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Solution

The fourth proportional to 8,458,117.68, 12,692,514 and 3,600,416.88 is: 5,402,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,117.68 : 12,692,514 = 3,600,416.88 : x
  2. Step 2: Convert to fraction form
    8,458,117.68/12,692,514 = 3,600,416.88/x
  3. Step 3: Cross multiply
    8,458,117.68x = 12,692,514 × 3,600,416.88
  4. Step 4: Simplify right side
    8,458,117.68x = 45,698,341,655,236.32
  5. Step 5: Solve for x
    x = 45,698,341,655,236.32/8,458,117.68
  6. Step 6: Final answer
    x = 5,402,897.36

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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.