Home / 13,126,822.80-19,658,741.40-6,387,363.60

Finding the Fourth Proportional to 13,126,822.80, 19,658,741.40 and 6,387,363.60

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Solution

The fourth proportional to 13,126,822.80, 19,658,741.40 and 6,387,363.60 is: 9,565,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,822.80 : 19,658,741.40 = 6,387,363.60 : x
  2. Step 2: Convert to fraction form
    13,126,822.80/19,658,741.40 = 6,387,363.60/x
  3. Step 3: Cross multiply
    13,126,822.80x = 19,658,741.40 × 6,387,363.60
  4. Step 4: Simplify right side
    13,126,822.80x = 125,567,529,240,173.02
  5. Step 5: Solve for x
    x = 125,567,529,240,173.02/13,126,822.80
  6. Step 6: Final answer
    x = 9,565,721.36

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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.