Home / 42,382,643.50-63,583,442.25-15,456,299.50

Finding the Fourth Proportional to 42,382,643.50, 63,583,442.25 and 15,456,299.50

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Solution

The fourth proportional to 42,382,643.50, 63,583,442.25 and 15,456,299.50 is: 23,187,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,382,643.50 : 63,583,442.25 = 15,456,299.50 : x
  2. Step 2: Convert to fraction form
    42,382,643.50/63,583,442.25 = 15,456,299.50/x
  3. Step 3: Cross multiply
    42,382,643.50x = 63,583,442.25 × 15,456,299.50
  4. Step 4: Simplify right side
    42,382,643.50x = 982,764,726,656,953.88
  5. Step 5: Solve for x
    x = 982,764,726,656,953.88/42,382,643.50
  6. Step 6: Final answer
    x = 23,187,905.37

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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.