Home / 19,183,545.20-28,750,823.40-7,811,145.20

Finding the Fourth Proportional to 19,183,545.20, 28,750,823.40 and 7,811,145.20

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Solution

The fourth proportional to 19,183,545.20, 28,750,823.40 and 7,811,145.20 is: 11,706,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,545.20 : 28,750,823.40 = 7,811,145.20 : x
  2. Step 2: Convert to fraction form
    19,183,545.20/28,750,823.40 = 7,811,145.20/x
  3. Step 3: Cross multiply
    19,183,545.20x = 28,750,823.40 × 7,811,145.20
  4. Step 4: Simplify right side
    19,183,545.20x = 224,576,856,196,957.69
  5. Step 5: Solve for x
    x = 224,576,856,196,957.69/19,183,545.20
  6. Step 6: Final answer
    x = 11,706,744.18

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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.