Home / 11,931,932.96-17,884,017.36-6,817,947.80

Finding the Fourth Proportional to 11,931,932.96, 17,884,017.36 and 6,817,947.80

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Solution

The fourth proportional to 11,931,932.96, 17,884,017.36 and 6,817,947.80 is: 10,218,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931,932.96 : 17,884,017.36 = 6,817,947.80 : x
  2. Step 2: Convert to fraction form
    11,931,932.96/17,884,017.36 = 6,817,947.80/x
  3. Step 3: Cross multiply
    11,931,932.96x = 17,884,017.36 × 6,817,947.80
  4. Step 4: Simplify right side
    11,931,932.96x = 121,932,296,814,773.80
  5. Step 5: Solve for x
    x = 121,932,296,814,773.80/11,931,932.96
  6. Step 6: Final answer
    x = 10,218,989.43

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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.