Home / 25,242,820.20-37,864,230.30-20,938,148.10

Finding the Fourth Proportional to 25,242,820.20, 37,864,230.30 and 20,938,148.10

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Solution

The fourth proportional to 25,242,820.20, 37,864,230.30 and 20,938,148.10 is: 31,407,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242,820.20 : 37,864,230.30 = 20,938,148.10 : x
  2. Step 2: Convert to fraction form
    25,242,820.20/37,864,230.30 = 20,938,148.10/x
  3. Step 3: Cross multiply
    25,242,820.20x = 37,864,230.30 × 20,938,148.10
  4. Step 4: Simplify right side
    25,242,820.20x = 792,806,861,713,907.38
  5. Step 5: Solve for x
    x = 792,806,861,713,907.38/25,242,820.20
  6. Step 6: Final answer
    x = 31,407,222.15

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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.