Home / 25,671,091.20-38,506,636.80-20,632,243.20

Finding the Fourth Proportional to 25,671,091.20, 38,506,636.80 and 20,632,243.20

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Solution

The fourth proportional to 25,671,091.20, 38,506,636.80 and 20,632,243.20 is: 30,948,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671,091.20 : 38,506,636.80 = 20,632,243.20 : x
  2. Step 2: Convert to fraction form
    25,671,091.20/38,506,636.80 = 20,632,243.20/x
  3. Step 3: Cross multiply
    25,671,091.20x = 38,506,636.80 × 20,632,243.20
  4. Step 4: Simplify right side
    25,671,091.20x = 794,478,295,271,669.62
  5. Step 5: Solve for x
    x = 794,478,295,271,669.62/25,671,091.20
  6. Step 6: Final answer
    x = 30,948,364.80

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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.