Home / 27,838,359.65-38,416,853.27-15,450,319.01

Finding the Fourth Proportional to 27,838,359.65, 38,416,853.27 and 15,450,319.01

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Solution

The fourth proportional to 27,838,359.65, 38,416,853.27 and 15,450,319.01 is: 21,321,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838,359.65 : 38,416,853.27 = 15,450,319.01 : x
  2. Step 2: Convert to fraction form
    27,838,359.65/38,416,853.27 = 15,450,319.01/x
  3. Step 3: Cross multiply
    27,838,359.65x = 38,416,853.27 × 15,450,319.01
  4. Step 4: Simplify right side
    27,838,359.65x = 593,552,638,304,610.12
  5. Step 5: Solve for x
    x = 593,552,638,304,610.12/27,838,359.65
  6. Step 6: Final answer
    x = 21,321,394.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.