Home / 10,781,918.60-16,172,877.90-2,803,742.60

Finding the Fourth Proportional to 10,781,918.60, 16,172,877.90 and 2,803,742.60

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Solution

The fourth proportional to 10,781,918.60, 16,172,877.90 and 2,803,742.60 is: 4,205,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,918.60 : 16,172,877.90 = 2,803,742.60 : x
  2. Step 2: Convert to fraction form
    10,781,918.60/16,172,877.90 = 2,803,742.60/x
  3. Step 3: Cross multiply
    10,781,918.60x = 16,172,877.90 × 2,803,742.60
  4. Step 4: Simplify right side
    10,781,918.60x = 45,344,586,732,828.54
  5. Step 5: Solve for x
    x = 45,344,586,732,828.54/10,781,918.60
  6. Step 6: Final answer
    x = 4,205,613.90

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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.