Home / 30,543,671.56-42,149,182.26-16,792,535.56

Finding the Fourth Proportional to 30,543,671.56, 42,149,182.26 and 16,792,535.56

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Solution

The fourth proportional to 30,543,671.56, 42,149,182.26 and 16,792,535.56 is: 23,173,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,671.56 : 42,149,182.26 = 16,792,535.56 : x
  2. Step 2: Convert to fraction form
    30,543,671.56/42,149,182.26 = 16,792,535.56/x
  3. Step 3: Cross multiply
    30,543,671.56x = 42,149,182.26 × 16,792,535.56
  4. Step 4: Simplify right side
    30,543,671.56x = 707,791,641,925,971.12
  5. Step 5: Solve for x
    x = 707,791,641,925,971.12/30,543,671.56
  6. Step 6: Final answer
    x = 23,173,102.83

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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.