Home / 20,774,309.36-31,159,987.81-6,395,877.86

Finding the Fourth Proportional to 20,774,309.36, 31,159,987.81 and 6,395,877.86

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Solution

The fourth proportional to 20,774,309.36, 31,159,987.81 and 6,395,877.86 is: 9,593,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,309.36 : 31,159,987.81 = 6,395,877.86 : x
  2. Step 2: Convert to fraction form
    20,774,309.36/31,159,987.81 = 6,395,877.86/x
  3. Step 3: Cross multiply
    20,774,309.36x = 31,159,987.81 × 6,395,877.86
  4. Step 4: Simplify right side
    20,774,309.36x = 199,295,475,980,059.28
  5. Step 5: Solve for x
    x = 199,295,475,980,059.28/20,774,309.36
  6. Step 6: Final answer
    x = 9,593,362.29

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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.