Home / 30,548,532.92-42,158,488.79-18,949,833.50

Finding the Fourth Proportional to 30,548,532.92, 42,158,488.79 and 18,949,833.50

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Solution

The fourth proportional to 30,548,532.92, 42,158,488.79 and 18,949,833.50 is: 26,151,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548,532.92 : 42,158,488.79 = 18,949,833.50 : x
  2. Step 2: Convert to fraction form
    30,548,532.92/42,158,488.79 = 18,949,833.50/x
  3. Step 3: Cross multiply
    30,548,532.92x = 42,158,488.79 × 18,949,833.50
  4. Step 4: Simplify right side
    30,548,532.92x = 798,896,343,087,367.25
  5. Step 5: Solve for x
    x = 798,896,343,087,367.25/30,548,532.92
  6. Step 6: Final answer
    x = 26,151,708.99

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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.