Home / 13,304,322.80-19,968,148.20-7,906,223.60

Finding the Fourth Proportional to 13,304,322.80, 19,968,148.20 and 7,906,223.60

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Solution

The fourth proportional to 13,304,322.80, 19,968,148.20 and 7,906,223.60 is: 11,866,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,322.80 : 19,968,148.20 = 7,906,223.60 : x
  2. Step 2: Convert to fraction form
    13,304,322.80/19,968,148.20 = 7,906,223.60/x
  3. Step 3: Cross multiply
    13,304,322.80x = 19,968,148.20 × 7,906,223.60
  4. Step 4: Simplify right side
    13,304,322.80x = 157,872,644,547,137.50
  5. Step 5: Solve for x
    x = 157,872,644,547,137.50/13,304,322.80
  6. Step 6: Final answer
    x = 11,866,266.85

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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.