Home / 15,657,968.48-23,481,315.84-5,420,046.56

Finding the Fourth Proportional to 15,657,968.48, 23,481,315.84 and 5,420,046.56

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Solution

The fourth proportional to 15,657,968.48, 23,481,315.84 and 5,420,046.56 is: 8,128,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657,968.48 : 23,481,315.84 = 5,420,046.56 : x
  2. Step 2: Convert to fraction form
    15,657,968.48/23,481,315.84 = 5,420,046.56/x
  3. Step 3: Cross multiply
    15,657,968.48x = 23,481,315.84 × 5,420,046.56
  4. Step 4: Simplify right side
    15,657,968.48x = 127,269,825,142,865.50
  5. Step 5: Solve for x
    x = 127,269,825,142,865.50/15,657,968.48
  6. Step 6: Final answer
    x = 8,128,118.62

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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.