Home / 18,575,561.40-27,863,342.10-9,966,217.20

Finding the Fourth Proportional to 18,575,561.40, 27,863,342.10 and 9,966,217.20

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Solution

The fourth proportional to 18,575,561.40, 27,863,342.10 and 9,966,217.20 is: 14,949,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575,561.40 : 27,863,342.10 = 9,966,217.20 : x
  2. Step 2: Convert to fraction form
    18,575,561.40/27,863,342.10 = 9,966,217.20/x
  3. Step 3: Cross multiply
    18,575,561.40x = 27,863,342.10 × 9,966,217.20
  4. Step 4: Simplify right side
    18,575,561.40x = 277,692,119,286,504.12
  5. Step 5: Solve for x
    x = 277,692,119,286,504.12/18,575,561.40
  6. Step 6: Final answer
    x = 14,949,325.80

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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.