Home / 12,791,064.40-19,196,546.07-8,927,789.35

Finding the Fourth Proportional to 12,791,064.40, 19,196,546.07 and 8,927,789.35

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Solution

The fourth proportional to 12,791,064.40, 19,196,546.07 and 8,927,789.35 is: 13,398,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,064.40 : 19,196,546.07 = 8,927,789.35 : x
  2. Step 2: Convert to fraction form
    12,791,064.40/19,196,546.07 = 8,927,789.35/x
  3. Step 3: Cross multiply
    12,791,064.40x = 19,196,546.07 × 8,927,789.35
  4. Step 4: Simplify right side
    12,791,064.40x = 171,382,719,560,530.34
  5. Step 5: Solve for x
    x = 171,382,719,560,530.34/12,791,064.40
  6. Step 6: Final answer
    x = 13,398,628.46

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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.