Home / 20,118,409.29-30,177,623.65-6,655,237.29

Finding the Fourth Proportional to 20,118,409.29, 30,177,623.65 and 6,655,237.29

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Solution

The fourth proportional to 20,118,409.29, 30,177,623.65 and 6,655,237.29 is: 9,982,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,409.29 : 30,177,623.65 = 6,655,237.29 : x
  2. Step 2: Convert to fraction form
    20,118,409.29/30,177,623.65 = 6,655,237.29/x
  3. Step 3: Cross multiply
    20,118,409.29x = 30,177,623.65 × 6,655,237.29
  4. Step 4: Simplify right side
    20,118,409.29x = 200,839,246,239,065.91
  5. Step 5: Solve for x
    x = 200,839,246,239,065.91/20,118,409.29
  6. Step 6: Final answer
    x = 9,982,859.15

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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.