Home / 25,898,666.40-38,847,999.60-8,857,821.60

Finding the Fourth Proportional to 25,898,666.40, 38,847,999.60 and 8,857,821.60

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Solution

The fourth proportional to 25,898,666.40, 38,847,999.60 and 8,857,821.60 is: 13,286,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898,666.40 : 38,847,999.60 = 8,857,821.60 : x
  2. Step 2: Convert to fraction form
    25,898,666.40/38,847,999.60 = 8,857,821.60/x
  3. Step 3: Cross multiply
    25,898,666.40x = 38,847,999.60 × 8,857,821.60
  4. Step 4: Simplify right side
    25,898,666.40x = 344,108,649,973,671.38
  5. Step 5: Solve for x
    x = 344,108,649,973,671.38/25,898,666.40
  6. Step 6: Final answer
    x = 13,286,732.40

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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.