Home / 20,636,815.80-30,955,223.70-13,462,362.30

Finding the Fourth Proportional to 20,636,815.80, 30,955,223.70 and 13,462,362.30

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Solution

The fourth proportional to 20,636,815.80, 30,955,223.70 and 13,462,362.30 is: 20,193,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636,815.80 : 30,955,223.70 = 13,462,362.30 : x
  2. Step 2: Convert to fraction form
    20,636,815.80/30,955,223.70 = 13,462,362.30/x
  3. Step 3: Cross multiply
    20,636,815.80x = 30,955,223.70 × 13,462,362.30
  4. Step 4: Simplify right side
    20,636,815.80x = 416,730,436,526,946.50
  5. Step 5: Solve for x
    x = 416,730,436,526,946.50/20,636,815.80
  6. Step 6: Final answer
    x = 20,193,543.45

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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.