Home / 30,752,179.96-42,438,411.05-16,813,550.92

Finding the Fourth Proportional to 30,752,179.96, 42,438,411.05 and 16,813,550.92

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Solution

The fourth proportional to 30,752,179.96, 42,438,411.05 and 16,813,550.92 is: 23,202,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,179.96 : 42,438,411.05 = 16,813,550.92 : x
  2. Step 2: Convert to fraction form
    30,752,179.96/42,438,411.05 = 16,813,550.92/x
  3. Step 3: Cross multiply
    30,752,179.96x = 42,438,411.05 × 16,813,550.92
  4. Step 4: Simplify right side
    30,752,179.96x = 713,540,385,153,065.75
  5. Step 5: Solve for x
    x = 713,540,385,153,065.75/30,752,179.96
  6. Step 6: Final answer
    x = 23,202,920.45

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1.5x scale

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.