Home / 25,898,465.40-38,847,698.10-8,857,620.60

Finding the Fourth Proportional to 25,898,465.40, 38,847,698.10 and 8,857,620.60

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Solution

The fourth proportional to 25,898,465.40, 38,847,698.10 and 8,857,620.60 is: 13,286,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898,465.40 : 38,847,698.10 = 8,857,620.60 : x
  2. Step 2: Convert to fraction form
    25,898,465.40/38,847,698.10 = 8,857,620.60/x
  3. Step 3: Cross multiply
    25,898,465.40x = 38,847,698.10 × 8,857,620.60
  4. Step 4: Simplify right side
    25,898,465.40x = 344,098,170,953,140.88
  5. Step 5: Solve for x
    x = 344,098,170,953,140.88/25,898,465.40
  6. Step 6: Final answer
    x = 13,286,430.90

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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.