Home / 18,006,261.12-27,012,048.48-5,225,104.80

Finding the Fourth Proportional to 18,006,261.12, 27,012,048.48 and 5,225,104.80

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Solution

The fourth proportional to 18,006,261.12, 27,012,048.48 and 5,225,104.80 is: 7,838,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006,261.12 : 27,012,048.48 = 5,225,104.80 : x
  2. Step 2: Convert to fraction form
    18,006,261.12/27,012,048.48 = 5,225,104.80/x
  3. Step 3: Cross multiply
    18,006,261.12x = 27,012,048.48 × 5,225,104.80
  4. Step 4: Simplify right side
    18,006,261.12x = 141,140,784,170,680.69
  5. Step 5: Solve for x
    x = 141,140,784,170,680.69/18,006,261.12
  6. Step 6: Final answer
    x = 7,838,428.16

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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.