Home / 21,863,501.80-32,795,252.70-20,221,210.60

Finding the Fourth Proportional to 21,863,501.80, 32,795,252.70 and 20,221,210.60

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Solution

The fourth proportional to 21,863,501.80, 32,795,252.70 and 20,221,210.60 is: 30,331,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,501.80 : 32,795,252.70 = 20,221,210.60 : x
  2. Step 2: Convert to fraction form
    21,863,501.80/32,795,252.70 = 20,221,210.60/x
  3. Step 3: Cross multiply
    21,863,501.80x = 32,795,252.70 × 20,221,210.60
  4. Step 4: Simplify right side
    21,863,501.80x = 663,159,711,526,918.62
  5. Step 5: Solve for x
    x = 663,159,711,526,918.62/21,863,501.80
  6. Step 6: Final answer
    x = 30,331,815.90

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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.