Home / 25,702,347.20-38,553,520.80-8,661,243.20

Finding the Fourth Proportional to 25,702,347.20, 38,553,520.80 and 8,661,243.20

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Solution

The fourth proportional to 25,702,347.20, 38,553,520.80 and 8,661,243.20 is: 12,991,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702,347.20 : 38,553,520.80 = 8,661,243.20 : x
  2. Step 2: Convert to fraction form
    25,702,347.20/38,553,520.80 = 8,661,243.20/x
  3. Step 3: Cross multiply
    25,702,347.20x = 38,553,520.80 × 8,661,243.20
  4. Step 4: Simplify right side
    25,702,347.20x = 333,921,419,865,058.50
  5. Step 5: Solve for x
    x = 333,921,419,865,058.50/25,702,347.20
  6. Step 6: Final answer
    x = 12,991,864.80

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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.