Home / 9,181,848.80-13,772,335.80-3,115,985.60

Finding the Fourth Proportional to 9,181,848.80, 13,772,335.80 and 3,115,985.60

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Solution

The fourth proportional to 9,181,848.80, 13,772,335.80 and 3,115,985.60 is: 4,673,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,848.80 : 13,772,335.80 = 3,115,985.60 : x
  2. Step 2: Convert to fraction form
    9,181,848.80/13,772,335.80 = 3,115,985.60/x
  3. Step 3: Cross multiply
    9,181,848.80x = 13,772,335.80 × 3,115,985.60
  4. Step 4: Simplify right side
    9,181,848.80x = 42,914,400,031,164.48
  5. Step 5: Solve for x
    x = 42,914,400,031,164.48/9,181,848.80
  6. Step 6: Final answer
    x = 4,673,829.96

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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.