Home / 19,964,396.80-29,956,963.20-9,326,828.80

Finding the Fourth Proportional to 19,964,396.80, 29,956,963.20 and 9,326,828.80

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Solution

The fourth proportional to 19,964,396.80, 29,956,963.20 and 9,326,828.80 is: 13,995,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,396.80 : 29,956,963.20 = 9,326,828.80 : x
  2. Step 2: Convert to fraction form
    19,964,396.80/29,956,963.20 = 9,326,828.80/x
  3. Step 3: Cross multiply
    19,964,396.80x = 29,956,963.20 × 9,326,828.80
  4. Step 4: Simplify right side
    19,964,396.80x = 279,403,467,134,300.19
  5. Step 5: Solve for x
    x = 279,403,467,134,300.19/19,964,396.80
  6. Step 6: Final answer
    x = 13,995,086.85

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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.