Home / 25,629,998.70-38,444,998.05-10,478,894.70

Finding the Fourth Proportional to 25,629,998.70, 38,444,998.05 and 10,478,894.70

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Solution

The fourth proportional to 25,629,998.70, 38,444,998.05 and 10,478,894.70 is: 15,718,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629,998.70 : 38,444,998.05 = 10,478,894.70 : x
  2. Step 2: Convert to fraction form
    25,629,998.70/38,444,998.05 = 10,478,894.70/x
  3. Step 3: Cross multiply
    25,629,998.70x = 38,444,998.05 × 10,478,894.70
  4. Step 4: Simplify right side
    25,629,998.70x = 402,861,086,307,655.25
  5. Step 5: Solve for x
    x = 402,861,086,307,655.25/25,629,998.70
  6. Step 6: Final answer
    x = 15,718,342.05

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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.