Home / 21,553,973.40-32,330,960.10-13,476,070.20

Finding the Fourth Proportional to 21,553,973.40, 32,330,960.10 and 13,476,070.20

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Solution

The fourth proportional to 21,553,973.40, 32,330,960.10 and 13,476,070.20 is: 20,214,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,973.40 : 32,330,960.10 = 13,476,070.20 : x
  2. Step 2: Convert to fraction form
    21,553,973.40/32,330,960.10 = 13,476,070.20/x
  3. Step 3: Cross multiply
    21,553,973.40x = 32,330,960.10 × 13,476,070.20
  4. Step 4: Simplify right side
    21,553,973.40x = 435,694,287,940,999
  5. Step 5: Solve for x
    x = 435,694,287,940,999/21,553,973.40
  6. Step 6: Final answer
    x = 20,214,105.30

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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.