Home / 25,675,856.55-35,436,315.40-15,889,452.55

Finding the Fourth Proportional to 25,675,856.55, 35,436,315.40 and 15,889,452.55

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Solution

The fourth proportional to 25,675,856.55, 35,436,315.40 and 15,889,452.55 is: 21,929,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675,856.55 : 35,436,315.40 = 15,889,452.55 : x
  2. Step 2: Convert to fraction form
    25,675,856.55/35,436,315.40 = 15,889,452.55/x
  3. Step 3: Cross multiply
    25,675,856.55x = 35,436,315.40 × 15,889,452.55
  4. Step 4: Simplify right side
    25,675,856.55x = 563,063,651,966,819.88
  5. Step 5: Solve for x
    x = 563,063,651,966,819.88/25,675,856.55
  6. Step 6: Final answer
    x = 21,929,693.01

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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.