Home / 19,014,748.20-28,521,863.10-6,235,669.80

Finding the Fourth Proportional to 19,014,748.20, 28,521,863.10 and 6,235,669.80

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Solution

The fourth proportional to 19,014,748.20, 28,521,863.10 and 6,235,669.80 is: 9,353,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014,748.20 : 28,521,863.10 = 6,235,669.80 : x
  2. Step 2: Convert to fraction form
    19,014,748.20/28,521,863.10 = 6,235,669.80/x
  3. Step 3: Cross multiply
    19,014,748.20x = 28,521,863.10 × 6,235,669.80
  4. Step 4: Simplify right side
    19,014,748.20x = 177,852,920,372,404.38
  5. Step 5: Solve for x
    x = 177,852,920,372,404.38/19,014,748.20
  6. Step 6: Final answer
    x = 9,353,419.70

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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.