Home / 30,496,856.38-42,085,957.04-16,746,115.75

Finding the Fourth Proportional to 30,496,856.38, 42,085,957.04 and 16,746,115.75

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Solution

The fourth proportional to 30,496,856.38, 42,085,957.04 and 16,746,115.75 is: 23,109,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496,856.38 : 42,085,957.04 = 16,746,115.75 : x
  2. Step 2: Convert to fraction form
    30,496,856.38/42,085,957.04 = 16,746,115.75/x
  3. Step 3: Cross multiply
    30,496,856.38x = 42,085,957.04 × 16,746,115.75
  4. Step 4: Simplify right side
    30,496,856.38x = 704,776,308,041,367.38
  5. Step 5: Solve for x
    x = 704,776,308,041,367.38/30,496,856.38
  6. Step 6: Final answer
    x = 23,109,801.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.