Home / 20,727,845.53-28,604,267.06-11,435,807.22

Finding the Fourth Proportional to 20,727,845.53, 28,604,267.06 and 11,435,807.22

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Solution

The fourth proportional to 20,727,845.53, 28,604,267.06 and 11,435,807.22 is: 15,781,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,845.53 : 28,604,267.06 = 11,435,807.22 : x
  2. Step 2: Convert to fraction form
    20,727,845.53/28,604,267.06 = 11,435,807.22/x
  3. Step 3: Cross multiply
    20,727,845.53x = 28,604,267.06 × 11,435,807.22
  4. Step 4: Simplify right side
    20,727,845.53x = 327,112,883,767,556.19
  5. Step 5: Solve for x
    x = 327,112,883,767,556.19/20,727,845.53
  6. Step 6: Final answer
    x = 15,781,325.82

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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.