Home / 37,438,314.68-51,665,216.28-21,968,657.12

Finding the Fourth Proportional to 37,438,314.68, 51,665,216.28 and 21,968,657.12

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Solution

The fourth proportional to 37,438,314.68, 51,665,216.28 and 21,968,657.12 is: 30,316,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438,314.68 : 51,665,216.28 = 21,968,657.12 : x
  2. Step 2: Convert to fraction form
    37,438,314.68/51,665,216.28 = 21,968,657.12/x
  3. Step 3: Cross multiply
    37,438,314.68x = 51,665,216.28 × 21,968,657.12
  4. Step 4: Simplify right side
    37,438,314.68x = 1,135,015,421,485,962
  5. Step 5: Solve for x
    x = 1,135,015,421,485,962/37,438,314.68
  6. Step 6: Final answer
    x = 30,316,947.52

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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.