Home / 18,175,912.90-27,240,714.15-9,660,328.90

Finding the Fourth Proportional to 18,175,912.90, 27,240,714.15 and 9,660,328.90

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Solution

The fourth proportional to 18,175,912.90, 27,240,714.15 and 9,660,328.90 is: 14,478,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,912.90 : 27,240,714.15 = 9,660,328.90 : x
  2. Step 2: Convert to fraction form
    18,175,912.90/27,240,714.15 = 9,660,328.90/x
  3. Step 3: Cross multiply
    18,175,912.90x = 27,240,714.15 × 9,660,328.90
  4. Step 4: Simplify right side
    18,175,912.90x = 263,154,258,159,883.94
  5. Step 5: Solve for x
    x = 263,154,258,159,883.94/18,175,912.90
  6. Step 6: Final answer
    x = 14,478,186.58

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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.