Home / 25,623,421.20-35,359,265.88-15,315,827.76

Finding the Fourth Proportional to 25,623,421.20, 35,359,265.88 and 15,315,827.76

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Solution

The fourth proportional to 25,623,421.20, 35,359,265.88 and 15,315,827.76 is: 21,135,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623,421.20 : 35,359,265.88 = 15,315,827.76 : x
  2. Step 2: Convert to fraction form
    25,623,421.20/35,359,265.88 = 15,315,827.76/x
  3. Step 3: Cross multiply
    25,623,421.20x = 35,359,265.88 × 15,315,827.76
  4. Step 4: Simplify right side
    25,623,421.20x = 541,556,425,938,124.88
  5. Step 5: Solve for x
    x = 541,556,425,938,124.88/25,623,421.20
  6. Step 6: Final answer
    x = 21,135,211.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.