Home / 18,668,005.40-27,970,515.30-9,062,701.40

Finding the Fourth Proportional to 18,668,005.40, 27,970,515.30 and 9,062,701.40

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Solution

The fourth proportional to 18,668,005.40, 27,970,515.30 and 9,062,701.40 is: 13,578,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,005.40 : 27,970,515.30 = 9,062,701.40 : x
  2. Step 2: Convert to fraction form
    18,668,005.40/27,970,515.30 = 9,062,701.40/x
  3. Step 3: Cross multiply
    18,668,005.40x = 27,970,515.30 × 9,062,701.40
  4. Step 4: Simplify right side
    18,668,005.40x = 253,488,428,168,031.44
  5. Step 5: Solve for x
    x = 253,488,428,168,031.44/18,668,005.40
  6. Step 6: Final answer
    x = 13,578,763.38

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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.