Home / 21,553,979.40-32,330,969.10-13,476,076.20

Finding the Fourth Proportional to 21,553,979.40, 32,330,969.10 and 13,476,076.20

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Solution

The fourth proportional to 21,553,979.40, 32,330,969.10 and 13,476,076.20 is: 20,214,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,979.40 : 32,330,969.10 = 13,476,076.20 : x
  2. Step 2: Convert to fraction form
    21,553,979.40/32,330,969.10 = 13,476,076.20/x
  3. Step 3: Cross multiply
    21,553,979.40x = 32,330,969.10 × 13,476,076.20
  4. Step 4: Simplify right side
    21,553,979.40x = 435,694,603,211,445.44
  5. Step 5: Solve for x
    x = 435,694,603,211,445.44/21,553,979.40
  6. Step 6: Final answer
    x = 20,214,114.30

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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.