Home / 11,645,813.80-17,468,720.70-10,638,044.20

Finding the Fourth Proportional to 11,645,813.80, 17,468,720.70 and 10,638,044.20

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Solution

The fourth proportional to 11,645,813.80, 17,468,720.70 and 10,638,044.20 is: 15,957,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645,813.80 : 17,468,720.70 = 10,638,044.20 : x
  2. Step 2: Convert to fraction form
    11,645,813.80/17,468,720.70 = 10,638,044.20/x
  3. Step 3: Cross multiply
    11,645,813.80x = 17,468,720.70 × 10,638,044.20
  4. Step 4: Simplify right side
    11,645,813.80x = 185,833,022,924,054.91
  5. Step 5: Solve for x
    x = 185,833,022,924,054.91/11,645,813.80
  6. Step 6: Final answer
    x = 15,957,066.30

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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.