Home / 21,988,658.40-32,982,987.60-9,223,576.80

Finding the Fourth Proportional to 21,988,658.40, 32,982,987.60 and 9,223,576.80

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Solution

The fourth proportional to 21,988,658.40, 32,982,987.60 and 9,223,576.80 is: 13,835,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,658.40 : 32,982,987.60 = 9,223,576.80 : x
  2. Step 2: Convert to fraction form
    21,988,658.40/32,982,987.60 = 9,223,576.80/x
  3. Step 3: Cross multiply
    21,988,658.40x = 32,982,987.60 × 9,223,576.80
  4. Step 4: Simplify right side
    21,988,658.40x = 304,221,119,222,047.69
  5. Step 5: Solve for x
    x = 304,221,119,222,047.69/21,988,658.40
  6. Step 6: Final answer
    x = 13,835,365.20

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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.