Home / 20,916,415.10-31,374,622.65-5,770,322.30

Finding the Fourth Proportional to 20,916,415.10, 31,374,622.65 and 5,770,322.30

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Solution

The fourth proportional to 20,916,415.10, 31,374,622.65 and 5,770,322.30 is: 8,655,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,916,415.10 : 31,374,622.65 = 5,770,322.30 : x
  2. Step 2: Convert to fraction form
    20,916,415.10/31,374,622.65 = 5,770,322.30/x
  3. Step 3: Cross multiply
    20,916,415.10x = 31,374,622.65 × 5,770,322.30
  4. Step 4: Simplify right side
    20,916,415.10x = 181,041,684,731,380.09
  5. Step 5: Solve for x
    x = 181,041,684,731,380.09/20,916,415.10
  6. Step 6: Final answer
    x = 8,655,483.45

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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.