Home / 25,920,209.20-38,870,982.60-13,136,465.20

Finding the Fourth Proportional to 25,920,209.20, 38,870,982.60 and 13,136,465.20

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Solution

The fourth proportional to 25,920,209.20, 38,870,982.60 and 13,136,465.20 is: 19,699,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,209.20 : 38,870,982.60 = 13,136,465.20 : x
  2. Step 2: Convert to fraction form
    25,920,209.20/38,870,982.60 = 13,136,465.20/x
  3. Step 3: Cross multiply
    25,920,209.20x = 38,870,982.60 × 13,136,465.20
  4. Step 4: Simplify right side
    25,920,209.20x = 510,627,310,214,705.50
  5. Step 5: Solve for x
    x = 510,627,310,214,705.50/25,920,209.20
  6. Step 6: Final answer
    x = 19,699,968.71

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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.