Home / 12,258,743.13-16,917,064.72-7,105,094.03

Finding the Fourth Proportional to 12,258,743.13, 16,917,064.72 and 7,105,094.03

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Solution

The fourth proportional to 12,258,743.13, 16,917,064.72 and 7,105,094.03 is: 9,805,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,743.13 : 16,917,064.72 = 7,105,094.03 : x
  2. Step 2: Convert to fraction form
    12,258,743.13/16,917,064.72 = 7,105,094.03/x
  3. Step 3: Cross multiply
    12,258,743.13x = 16,917,064.72 × 7,105,094.03
  4. Step 4: Simplify right side
    12,258,743.13x = 120,197,335,571,725.55
  5. Step 5: Solve for x
    x = 120,197,335,571,725.55/12,258,743.13
  6. Step 6: Final answer
    x = 9,805,029.30

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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.