Home / 25,445,323.20-38,167,984.80-20,406,475.20

Finding the Fourth Proportional to 25,445,323.20, 38,167,984.80 and 20,406,475.20

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Solution

The fourth proportional to 25,445,323.20, 38,167,984.80 and 20,406,475.20 is: 30,609,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445,323.20 : 38,167,984.80 = 20,406,475.20 : x
  2. Step 2: Convert to fraction form
    25,445,323.20/38,167,984.80 = 20,406,475.20/x
  3. Step 3: Cross multiply
    25,445,323.20x = 38,167,984.80 × 20,406,475.20
  4. Step 4: Simplify right side
    25,445,323.20x = 778,874,035,255,176.88
  5. Step 5: Solve for x
    x = 778,874,035,255,176.88/25,445,323.20
  6. Step 6: Final answer
    x = 30,609,712.80

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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.