Home / 15,132,962.04-20,883,991.50-8,257,821.36

Finding the Fourth Proportional to 15,132,962.04, 20,883,991.50 and 8,257,821.36

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Solution

The fourth proportional to 15,132,962.04, 20,883,991.50 and 8,257,821.36 is: 11,396,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132,962.04 : 20,883,991.50 = 8,257,821.36 : x
  2. Step 2: Convert to fraction form
    15,132,962.04/20,883,991.50 = 8,257,821.36/x
  3. Step 3: Cross multiply
    15,132,962.04x = 20,883,991.50 × 8,257,821.36
  4. Step 4: Simplify right side
    15,132,962.04x = 172,456,271,090,758.44
  5. Step 5: Solve for x
    x = 172,456,271,090,758.44/15,132,962.04
  6. Step 6: Final answer
    x = 11,396,068.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.