Home / 30,711,601.77-42,380,276.38-16,770,182.07

Finding the Fourth Proportional to 30,711,601.77, 42,380,276.38 and 16,770,182.07

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Solution

The fourth proportional to 30,711,601.77, 42,380,276.38 and 16,770,182.07 is: 23,141,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711,601.77 : 42,380,276.38 = 16,770,182.07 : x
  2. Step 2: Convert to fraction form
    30,711,601.77/42,380,276.38 = 16,770,182.07/x
  3. Step 3: Cross multiply
    30,711,601.77x = 42,380,276.38 × 16,770,182.07
  4. Step 4: Simplify right side
    30,711,601.77x = 710,724,951,069,520.62
  5. Step 5: Solve for x
    x = 710,724,951,069,520.62/30,711,601.77
  6. Step 6: Final answer
    x = 23,141,904.37

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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.