Home / 25,202,495.20-37,778,859.60-12,412,530.40

Finding the Fourth Proportional to 25,202,495.20, 37,778,859.60 and 12,412,530.40

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Solution

The fourth proportional to 25,202,495.20, 37,778,859.60 and 12,412,530.40 is: 18,606,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202,495.20 : 37,778,859.60 = 12,412,530.40 : x
  2. Step 2: Convert to fraction form
    25,202,495.20/37,778,859.60 = 12,412,530.40/x
  3. Step 3: Cross multiply
    25,202,495.20x = 37,778,859.60 × 12,412,530.40
  4. Step 4: Simplify right side
    25,202,495.20x = 468,931,243,262,331.88
  5. Step 5: Solve for x
    x = 468,931,243,262,331.88/25,202,495.20
  6. Step 6: Final answer
    x = 18,606,540.33

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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.