Home / 26,731,138.32-40,113,574.80-11,378,403.54

Finding the Fourth Proportional to 26,731,138.32, 40,113,574.80 and 11,378,403.54

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Solution

The fourth proportional to 26,731,138.32, 40,113,574.80 and 11,378,403.54 is: 17,074,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731,138.32 : 40,113,574.80 = 11,378,403.54 : x
  2. Step 2: Convert to fraction form
    26,731,138.32/40,113,574.80 = 11,378,403.54/x
  3. Step 3: Cross multiply
    26,731,138.32x = 40,113,574.80 × 11,378,403.54
  4. Step 4: Simplify right side
    26,731,138.32x = 456,428,441,506,374.75
  5. Step 5: Solve for x
    x = 456,428,441,506,374.75/26,731,138.32
  6. Step 6: Final answer
    x = 17,074,785.07

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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.