Home / 8,845,931.80-12,207,778.68-4,978,703.44

Finding the Fourth Proportional to 8,845,931.80, 12,207,778.68 and 4,978,703.44

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Solution

The fourth proportional to 8,845,931.80, 12,207,778.68 and 4,978,703.44 is: 6,870,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,931.80 : 12,207,778.68 = 4,978,703.44 : x
  2. Step 2: Convert to fraction form
    8,845,931.80/12,207,778.68 = 4,978,703.44/x
  3. Step 3: Cross multiply
    8,845,931.80x = 12,207,778.68 × 4,978,703.44
  4. Step 4: Simplify right side
    8,845,931.80x = 60,778,909,708,874.66
  5. Step 5: Solve for x
    x = 60,778,909,708,874.66/8,845,931.80
  6. Step 6: Final answer
    x = 6,870,831.82

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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.