Home / 19,995,384.40-29,993,076.60-18,436,490.80

Finding the Fourth Proportional to 19,995,384.40, 29,993,076.60 and 18,436,490.80

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Solution

The fourth proportional to 19,995,384.40, 29,993,076.60 and 18,436,490.80 is: 27,654,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995,384.40 : 29,993,076.60 = 18,436,490.80 : x
  2. Step 2: Convert to fraction form
    19,995,384.40/29,993,076.60 = 18,436,490.80/x
  3. Step 3: Cross multiply
    19,995,384.40x = 29,993,076.60 × 18,436,490.80
  4. Step 4: Simplify right side
    19,995,384.40x = 552,967,080,799,595.31
  5. Step 5: Solve for x
    x = 552,967,080,799,595.31/19,995,384.40
  6. Step 6: Final answer
    x = 27,654,736.20

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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.