Home / 18,997,417.64-28,496,592.99-5,350,471.68

Finding the Fourth Proportional to 18,997,417.64, 28,496,592.99 and 5,350,471.68

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Solution

The fourth proportional to 18,997,417.64, 28,496,592.99 and 5,350,471.68 is: 8,025,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997,417.64 : 28,496,592.99 = 5,350,471.68 : x
  2. Step 2: Convert to fraction form
    18,997,417.64/28,496,592.99 = 5,350,471.68/x
  3. Step 3: Cross multiply
    18,997,417.64x = 28,496,592.99 × 5,350,471.68
  4. Step 4: Simplify right side
    18,997,417.64x = 152,470,213,876,343.72
  5. Step 5: Solve for x
    x = 152,470,213,876,343.72/18,997,417.64
  6. Step 6: Final answer
    x = 8,025,838.92

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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.