Home / 25,903,999.60-38,855,999.40-7,950,770.80

Finding the Fourth Proportional to 25,903,999.60, 38,855,999.40 and 7,950,770.80

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Solution

The fourth proportional to 25,903,999.60, 38,855,999.40 and 7,950,770.80 is: 11,926,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903,999.60 : 38,855,999.40 = 7,950,770.80 : x
  2. Step 2: Convert to fraction form
    25,903,999.60/38,855,999.40 = 7,950,770.80/x
  3. Step 3: Cross multiply
    25,903,999.60x = 38,855,999.40 × 7,950,770.80
  4. Step 4: Simplify right side
    25,903,999.60x = 308,935,145,434,337.50
  5. Step 5: Solve for x
    x = 308,935,145,434,337.50/25,903,999.60
  6. Step 6: Final answer
    x = 11,926,156.20

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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.