Home / 28,869,657.30-43,315,545.15-28,416,230.10

Finding the Fourth Proportional to 28,869,657.30, 43,315,545.15 and 28,416,230.10

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Solution

The fourth proportional to 28,869,657.30, 43,315,545.15 and 28,416,230.10 is: 42,635,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869,657.30 : 43,315,545.15 = 28,416,230.10 : x
  2. Step 2: Convert to fraction form
    28,869,657.30/43,315,545.15 = 28,416,230.10/x
  3. Step 3: Cross multiply
    28,869,657.30x = 43,315,545.15 × 28,416,230.10
  4. Step 4: Simplify right side
    28,869,657.30x = 1,230,864,497,889,339
  5. Step 5: Solve for x
    x = 1,230,864,497,889,339/28,869,657.30
  6. Step 6: Final answer
    x = 42,635,230.65

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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.