Home / 18,849,649.60-28,278,160.80-8,066,929.60

Finding the Fourth Proportional to 18,849,649.60, 28,278,160.80 and 8,066,929.60

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Solution

The fourth proportional to 18,849,649.60, 28,278,160.80 and 8,066,929.60 is: 12,101,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849,649.60 : 28,278,160.80 = 8,066,929.60 : x
  2. Step 2: Convert to fraction form
    18,849,649.60/28,278,160.80 = 8,066,929.60/x
  3. Step 3: Cross multiply
    18,849,649.60x = 28,278,160.80 × 8,066,929.60
  4. Step 4: Simplify right side
    18,849,649.60x = 228,117,932,391,079.69
  5. Step 5: Solve for x
    x = 228,117,932,391,079.69/18,849,649.60
  6. Step 6: Final answer
    x = 12,101,972.04

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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.