Home / 11,112,009.60-16,655,572.80-6,321,993.60

Finding the Fourth Proportional to 11,112,009.60, 16,655,572.80 and 6,321,993.60

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Solution

The fourth proportional to 11,112,009.60, 16,655,572.80 and 6,321,993.60 is: 9,475,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,009.60 : 16,655,572.80 = 6,321,993.60 : x
  2. Step 2: Convert to fraction form
    11,112,009.60/16,655,572.80 = 6,321,993.60/x
  3. Step 3: Cross multiply
    11,112,009.60x = 16,655,572.80 × 6,321,993.60
  4. Step 4: Simplify right side
    11,112,009.60x = 105,296,424,645,934.08
  5. Step 5: Solve for x
    x = 105,296,424,645,934.08/11,112,009.60
  6. Step 6: Final answer
    x = 9,475,911.96

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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.