Home / 30,162,870.36-45,187,219.17-17,829,910.80

Finding the Fourth Proportional to 30,162,870.36, 45,187,219.17 and 17,829,910.80

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Solution

The fourth proportional to 30,162,870.36, 45,187,219.17 and 17,829,910.80 is: 26,711,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162,870.36 : 45,187,219.17 = 17,829,910.80 : x
  2. Step 2: Convert to fraction form
    30,162,870.36/45,187,219.17 = 17,829,910.80/x
  3. Step 3: Cross multiply
    30,162,870.36x = 45,187,219.17 × 17,829,910.80
  4. Step 4: Simplify right side
    30,162,870.36x = 805,684,087,101,150.12
  5. Step 5: Solve for x
    x = 805,684,087,101,150.12/30,162,870.36
  6. Step 6: Final answer
    x = 26,711,121.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.