Home / 12,756,009.60-19,087,358.40-9,396,777.60

Finding the Fourth Proportional to 12,756,009.60, 19,087,358.40 and 9,396,777.60

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Solution

The fourth proportional to 12,756,009.60, 19,087,358.40 and 9,396,777.60 is: 14,060,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,009.60 : 19,087,358.40 = 9,396,777.60 : x
  2. Step 2: Convert to fraction form
    12,756,009.60/19,087,358.40 = 9,396,777.60/x
  3. Step 3: Cross multiply
    12,756,009.60x = 19,087,358.40 × 9,396,777.60
  4. Step 4: Simplify right side
    12,756,009.60x = 179,359,661,856,291.81
  5. Step 5: Solve for x
    x = 179,359,661,856,291.81/12,756,009.60
  6. Step 6: Final answer
    x = 14,060,797.03

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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.