Home / 18,144,709.60-27,217,064.40-16,696,040.80

Finding the Fourth Proportional to 18,144,709.60, 27,217,064.40 and 16,696,040.80

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Solution

The fourth proportional to 18,144,709.60, 27,217,064.40 and 16,696,040.80 is: 25,044,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,709.60 : 27,217,064.40 = 16,696,040.80 : x
  2. Step 2: Convert to fraction form
    18,144,709.60/27,217,064.40 = 16,696,040.80/x
  3. Step 3: Cross multiply
    18,144,709.60x = 27,217,064.40 × 16,696,040.80
  4. Step 4: Simplify right side
    18,144,709.60x = 454,417,217,678,627.50
  5. Step 5: Solve for x
    x = 454,417,217,678,627.50/18,144,709.60
  6. Step 6: Final answer
    x = 25,044,061.20

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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.