Home / 8,974,831.76-12,385,218.84-4,900,421.60

Finding the Fourth Proportional to 8,974,831.76, 12,385,218.84 and 4,900,421.60

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Solution

The fourth proportional to 8,974,831.76, 12,385,218.84 and 4,900,421.60 is: 6,762,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974,831.76 : 12,385,218.84 = 4,900,421.60 : x
  2. Step 2: Convert to fraction form
    8,974,831.76/12,385,218.84 = 4,900,421.60/x
  3. Step 3: Cross multiply
    8,974,831.76x = 12,385,218.84 × 4,900,421.60
  4. Step 4: Simplify right side
    8,974,831.76x = 60,692,793,924,262.94
  5. Step 5: Solve for x
    x = 60,692,793,924,262.94/8,974,831.76
  6. Step 6: Final answer
    x = 6,762,555.06

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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.