Home / 11,918,586.02-17,878,043.04-3,398,923.40

Finding the Fourth Proportional to 11,918,586.02, 17,878,043.04 and 3,398,923.40

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Solution

The fourth proportional to 11,918,586.02, 17,878,043.04 and 3,398,923.40 is: 5,098,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,586.02 : 17,878,043.04 = 3,398,923.40 : x
  2. Step 2: Convert to fraction form
    11,918,586.02/17,878,043.04 = 3,398,923.40/x
  3. Step 3: Cross multiply
    11,918,586.02x = 17,878,043.04 × 3,398,923.40
  4. Step 4: Simplify right side
    11,918,586.02x = 60,766,098,834,863.13
  5. Step 5: Solve for x
    x = 60,766,098,834,863.13/11,918,586.02
  6. Step 6: Final answer
    x = 5,098,431.87

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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.