Home / 13,305,796.60-19,968,026.10-8,525,111.80

Finding the Fourth Proportional to 13,305,796.60, 19,968,026.10 and 8,525,111.80

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Solution

The fourth proportional to 13,305,796.60, 19,968,026.10 and 8,525,111.80 is: 12,793,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,796.60 : 19,968,026.10 = 8,525,111.80 : x
  2. Step 2: Convert to fraction form
    13,305,796.60/19,968,026.10 = 8,525,111.80/x
  3. Step 3: Cross multiply
    13,305,796.60x = 19,968,026.10 × 8,525,111.80
  4. Step 4: Simplify right side
    13,305,796.60x = 170,229,654,927,818
  5. Step 5: Solve for x
    x = 170,229,654,927,818/13,305,796.60
  6. Step 6: Final answer
    x = 12,793,646.26

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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.