Home / 25,629,619.20-38,444,428.80-10,478,515.20

Finding the Fourth Proportional to 25,629,619.20, 38,444,428.80 and 10,478,515.20

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Solution

The fourth proportional to 25,629,619.20, 38,444,428.80 and 10,478,515.20 is: 15,717,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629,619.20 : 38,444,428.80 = 10,478,515.20 : x
  2. Step 2: Convert to fraction form
    25,629,619.20/38,444,428.80 = 10,478,515.20/x
  3. Step 3: Cross multiply
    25,629,619.20x = 38,444,428.80 × 10,478,515.20
  4. Step 4: Simplify right side
    25,629,619.20x = 402,840,531,536,117.69
  5. Step 5: Solve for x
    x = 402,840,531,536,117.69/25,629,619.20
  6. Step 6: Final answer
    x = 15,717,772.80

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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.