Home / 20,817,007.80-31,225,511.70-20,462,713.80

Finding the Fourth Proportional to 20,817,007.80, 31,225,511.70 and 20,462,713.80

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Solution

The fourth proportional to 20,817,007.80, 31,225,511.70 and 20,462,713.80 is: 30,694,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817,007.80 : 31,225,511.70 = 20,462,713.80 : x
  2. Step 2: Convert to fraction form
    20,817,007.80/31,225,511.70 = 20,462,713.80/x
  3. Step 3: Cross multiply
    20,817,007.80x = 31,225,511.70 × 20,462,713.80
  4. Step 4: Simplify right side
    20,817,007.80x = 638,958,709,175,651.50
  5. Step 5: Solve for x
    x = 638,958,709,175,651.50/20,817,007.80
  6. Step 6: Final answer
    x = 30,694,070.70

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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.