Home / 11,328,107.20-16,998,065.70-4,939,005.40

Finding the Fourth Proportional to 11,328,107.20, 16,998,065.70 and 4,939,005.40

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Solution

The fourth proportional to 11,328,107.20, 16,998,065.70 and 4,939,005.40 is: 7,411,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,107.20 : 16,998,065.70 = 4,939,005.40 : x
  2. Step 2: Convert to fraction form
    11,328,107.20/16,998,065.70 = 4,939,005.40/x
  3. Step 3: Cross multiply
    11,328,107.20x = 16,998,065.70 × 4,939,005.40
  4. Step 4: Simplify right side
    11,328,107.20x = 83,953,538,281,854.78
  5. Step 5: Solve for x
    x = 83,953,538,281,854.78/11,328,107.20
  6. Step 6: Final answer
    x = 7,411,082.61

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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.