Home / 20,227,948.80-30,352,420.80-8,869,545.60

Finding the Fourth Proportional to 20,227,948.80, 30,352,420.80 and 8,869,545.60

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Solution

The fourth proportional to 20,227,948.80, 30,352,420.80 and 8,869,545.60 is: 13,308,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,948.80 : 30,352,420.80 = 8,869,545.60 : x
  2. Step 2: Convert to fraction form
    20,227,948.80/30,352,420.80 = 8,869,545.60/x
  3. Step 3: Cross multiply
    20,227,948.80x = 30,352,420.80 × 8,869,545.60
  4. Step 4: Simplify right side
    20,227,948.80x = 269,212,180,355,988.47
  5. Step 5: Solve for x
    x = 269,212,180,355,988.47/20,227,948.80
  6. Step 6: Final answer
    x = 13,308,921.38

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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.