Home / 10,909,358.10-16,364,037.15-9,988,193.70

Finding the Fourth Proportional to 10,909,358.10, 16,364,037.15 and 9,988,193.70

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Solution

The fourth proportional to 10,909,358.10, 16,364,037.15 and 9,988,193.70 is: 14,982,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,358.10 : 16,364,037.15 = 9,988,193.70 : x
  2. Step 2: Convert to fraction form
    10,909,358.10/16,364,037.15 = 9,988,193.70/x
  3. Step 3: Cross multiply
    10,909,358.10x = 16,364,037.15 × 9,988,193.70
  4. Step 4: Simplify right side
    10,909,358.10x = 163,447,172,768,195.94
  5. Step 5: Solve for x
    x = 163,447,172,768,195.94/10,909,358.10
  6. Step 6: Final answer
    x = 14,982,290.55

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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.