Home / 28,204,155.64-42,309,999.56-11,160,842.77

Finding the Fourth Proportional to 28,204,155.64, 42,309,999.56 and 11,160,842.77

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Solution

The fourth proportional to 28,204,155.64, 42,309,999.56 and 11,160,842.77 is: 16,742,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204,155.64 : 42,309,999.56 = 11,160,842.77 : x
  2. Step 2: Convert to fraction form
    28,204,155.64/42,309,999.56 = 11,160,842.77/x
  3. Step 3: Cross multiply
    28,204,155.64x = 42,309,999.56 × 11,160,842.77
  4. Step 4: Simplify right side
    28,204,155.64x = 472,215,252,420,575
  5. Step 5: Solve for x
    x = 472,215,252,420,575/28,204,155.64
  6. Step 6: Final answer
    x = 16,742,754.46

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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.