Home / 25,521,854.40-38,286,280.80-8,480,750.40

Finding the Fourth Proportional to 25,521,854.40, 38,286,280.80 and 8,480,750.40

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Solution

The fourth proportional to 25,521,854.40, 38,286,280.80 and 8,480,750.40 is: 12,722,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521,854.40 : 38,286,280.80 = 8,480,750.40 : x
  2. Step 2: Convert to fraction form
    25,521,854.40/38,286,280.80 = 8,480,750.40/x
  3. Step 3: Cross multiply
    25,521,854.40x = 38,286,280.80 × 8,480,750.40
  4. Step 4: Simplify right side
    25,521,854.40x = 324,696,391,209,112.31
  5. Step 5: Solve for x
    x = 324,696,391,209,112.31/25,521,854.40
  6. Step 6: Final answer
    x = 12,722,288.36

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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.