Home / 42,822,266.40-64,212,145.20-15,527,469.60

Finding the Fourth Proportional to 42,822,266.40, 64,212,145.20 and 15,527,469.60

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Solution

The fourth proportional to 42,822,266.40, 64,212,145.20 and 15,527,469.60 is: 23,283,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,822,266.40 : 64,212,145.20 = 15,527,469.60 : x
  2. Step 2: Convert to fraction form
    42,822,266.40/64,212,145.20 = 15,527,469.60/x
  3. Step 3: Cross multiply
    42,822,266.40x = 64,212,145.20 × 15,527,469.60
  4. Step 4: Simplify right side
    42,822,266.40x = 997,052,132,543,786
  5. Step 5: Solve for x
    x = 997,052,132,543,786/42,822,266.40
  6. Step 6: Final answer
    x = 23,283,497.50

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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.