Home / 21,486,964.74-32,220,989.19-11,387,219.46

Finding the Fourth Proportional to 21,486,964.74, 32,220,989.19 and 11,387,219.46

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Solution

The fourth proportional to 21,486,964.74, 32,220,989.19 and 11,387,219.46 is: 17,075,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486,964.74 : 32,220,989.19 = 11,387,219.46 : x
  2. Step 2: Convert to fraction form
    21,486,964.74/32,220,989.19 = 11,387,219.46/x
  3. Step 3: Cross multiply
    21,486,964.74x = 32,220,989.19 × 11,387,219.46
  4. Step 4: Simplify right side
    21,486,964.74x = 366,907,475,124,817.69
  5. Step 5: Solve for x
    x = 366,907,475,124,817.69/21,486,964.74
  6. Step 6: Final answer
    x = 17,075,816.88

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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.