Home / 12,258,739.01-16,917,059.03-7,105,089.92

Finding the Fourth Proportional to 12,258,739.01, 16,917,059.03 and 7,105,089.92

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Solution

The fourth proportional to 12,258,739.01, 16,917,059.03 and 7,105,089.92 is: 9,805,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,739.01 : 16,917,059.03 = 7,105,089.92 : x
  2. Step 2: Convert to fraction form
    12,258,739.01/16,917,059.03 = 7,105,089.92/x
  3. Step 3: Cross multiply
    12,258,739.01x = 16,917,059.03 × 7,105,089.92
  4. Step 4: Simplify right side
    12,258,739.01x = 120,197,225,469,987.22
  5. Step 5: Solve for x
    x = 120,197,225,469,987.22/12,258,739.01
  6. Step 6: Final answer
    x = 9,805,023.62

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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.