Home / 25,898,138.80-38,852,392.20-7,702,298.80

Finding the Fourth Proportional to 25,898,138.80, 38,852,392.20 and 7,702,298.80

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Solution

The fourth proportional to 25,898,138.80, 38,852,392.20 and 7,702,298.80 is: 11,554,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898,138.80 : 38,852,392.20 = 7,702,298.80 : x
  2. Step 2: Convert to fraction form
    25,898,138.80/38,852,392.20 = 7,702,298.80/x
  3. Step 3: Cross multiply
    25,898,138.80x = 38,852,392.20 × 7,702,298.80
  4. Step 4: Simplify right side
    25,898,138.80x = 299,252,733,819,189.38
  5. Step 5: Solve for x
    x = 299,252,733,819,189.38/25,898,138.80
  6. Step 6: Final answer
    x = 11,554,989.96

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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.