Home / 11,988,051.60-17,982,077.40-10,889,740.20

Finding the Fourth Proportional to 11,988,051.60, 17,982,077.40 and 10,889,740.20

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Solution

The fourth proportional to 11,988,051.60, 17,982,077.40 and 10,889,740.20 is: 16,334,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,051.60 : 17,982,077.40 = 10,889,740.20 : x
  2. Step 2: Convert to fraction form
    11,988,051.60/17,982,077.40 = 10,889,740.20/x
  3. Step 3: Cross multiply
    11,988,051.60x = 17,982,077.40 × 10,889,740.20
  4. Step 4: Simplify right side
    11,988,051.60x = 195,820,151,142,291.44
  5. Step 5: Solve for x
    x = 195,820,151,142,291.44/11,988,051.60
  6. Step 6: Final answer
    x = 16,334,610.30

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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.