Home / 21,135,232.81-31,657,298.25-14,274,077.24

Finding the Fourth Proportional to 21,135,232.81, 31,657,298.25 and 14,274,077.24

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Solution

The fourth proportional to 21,135,232.81, 31,657,298.25 and 14,274,077.24 is: 21,380,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,135,232.81 : 31,657,298.25 = 14,274,077.24 : x
  2. Step 2: Convert to fraction form
    21,135,232.81/31,657,298.25 = 14,274,077.24/x
  3. Step 3: Cross multiply
    21,135,232.81x = 31,657,298.25 × 14,274,077.24
  4. Step 4: Simplify right side
    21,135,232.81x = 451,878,720,562,887.88
  5. Step 5: Solve for x
    x = 451,878,720,562,887.88/21,135,232.81
  6. Step 6: Final answer
    x = 21,380,352.16

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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.