Home / 28,083,688.20-42,125,532.30-23,212,801.80

Finding the Fourth Proportional to 28,083,688.20, 42,125,532.30 and 23,212,801.80

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Solution

The fourth proportional to 28,083,688.20, 42,125,532.30 and 23,212,801.80 is: 34,819,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,688.20 : 42,125,532.30 = 23,212,801.80 : x
  2. Step 2: Convert to fraction form
    28,083,688.20/42,125,532.30 = 23,212,801.80/x
  3. Step 3: Cross multiply
    28,083,688.20x = 42,125,532.30 × 23,212,801.80
  4. Step 4: Simplify right side
    28,083,688.20x = 977,851,631,999,398.12
  5. Step 5: Solve for x
    x = 977,851,631,999,398.12/28,083,688.20
  6. Step 6: Final answer
    x = 34,819,202.70

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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.