Home / 19,943,842.40-29,939,383.20-11,314,815.20

Finding the Fourth Proportional to 19,943,842.40, 29,939,383.20 and 11,314,815.20

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Solution

The fourth proportional to 19,943,842.40, 29,939,383.20 and 11,314,815.20 is: 16,985,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943,842.40 : 29,939,383.20 = 11,314,815.20 : x
  2. Step 2: Convert to fraction form
    19,943,842.40/29,939,383.20 = 11,314,815.20/x
  3. Step 3: Cross multiply
    19,943,842.40x = 29,939,383.20 × 11,314,815.20
  4. Step 4: Simplify right side
    19,943,842.40x = 338,758,588,109,984.62
  5. Step 5: Solve for x
    x = 338,758,588,109,984.62/19,943,842.40
  6. Step 6: Final answer
    x = 16,985,623.00

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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.