Home / 18,144,432.60-27,216,648.90-16,695,763.80

Finding the Fourth Proportional to 18,144,432.60, 27,216,648.90 and 16,695,763.80

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Solution

The fourth proportional to 18,144,432.60, 27,216,648.90 and 16,695,763.80 is: 25,043,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,432.60 : 27,216,648.90 = 16,695,763.80 : x
  2. Step 2: Convert to fraction form
    18,144,432.60/27,216,648.90 = 16,695,763.80/x
  3. Step 3: Cross multiply
    18,144,432.60x = 27,216,648.90 × 16,695,763.80
  4. Step 4: Simplify right side
    18,144,432.60x = 454,402,741,461,929.81
  5. Step 5: Solve for x
    x = 454,402,741,461,929.81/18,144,432.60
  6. Step 6: Final answer
    x = 25,043,645.70

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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.