Home / 18,145,080.48-27,234,486-9,176,069.28

Finding the Fourth Proportional to 18,145,080.48, 27,234,486 and 9,176,069.28

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Solution

The fourth proportional to 18,145,080.48, 27,234,486 and 9,176,069.28 is: 13,772,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,080.48 : 27,234,486 = 9,176,069.28 : x
  2. Step 2: Convert to fraction form
    18,145,080.48/27,234,486 = 9,176,069.28/x
  3. Step 3: Cross multiply
    18,145,080.48x = 27,234,486 × 9,176,069.28
  4. Step 4: Simplify right side
    18,145,080.48x = 249,905,530,341,190.06
  5. Step 5: Solve for x
    x = 249,905,530,341,190.06/18,145,080.48
  6. Step 6: Final answer
    x = 13,772,632.79

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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.