Home / 11,211,918.40-16,817,877.60-5,543,214.40

Finding the Fourth Proportional to 11,211,918.40, 16,817,877.60 and 5,543,214.40

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Solution

The fourth proportional to 11,211,918.40, 16,817,877.60 and 5,543,214.40 is: 8,314,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211,918.40 : 16,817,877.60 = 5,543,214.40 : x
  2. Step 2: Convert to fraction form
    11,211,918.40/16,817,877.60 = 5,543,214.40/x
  3. Step 3: Cross multiply
    11,211,918.40x = 16,817,877.60 × 5,543,214.40
  4. Step 4: Simplify right side
    11,211,918.40x = 93,225,101,289,757.45
  5. Step 5: Solve for x
    x = 93,225,101,289,757.45/11,211,918.40
  6. Step 6: Final answer
    x = 8,314,821.60

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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.