Home / 25,925,823.60-38,863,852.20-20,165,362.80

Finding the Fourth Proportional to 25,925,823.60, 38,863,852.20 and 20,165,362.80

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Solution

The fourth proportional to 25,925,823.60, 38,863,852.20 and 20,165,362.80 is: 30,228,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925,823.60 : 38,863,852.20 = 20,165,362.80 : x
  2. Step 2: Convert to fraction form
    25,925,823.60/38,863,852.20 = 20,165,362.80/x
  3. Step 3: Cross multiply
    25,925,823.60x = 38,863,852.20 × 20,165,362.80
  4. Step 4: Simplify right side
    25,925,823.60x = 783,703,679,418,578.25
  5. Step 5: Solve for x
    x = 783,703,679,418,578.25/25,925,823.60
  6. Step 6: Final answer
    x = 30,228,689.80

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1.5x scale

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.