Home / 43,622,689.32-65,434,189.50-13,330,425.96

Finding the Fourth Proportional to 43,622,689.32, 65,434,189.50 and 13,330,425.96

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Solution

The fourth proportional to 43,622,689.32, 65,434,189.50 and 13,330,425.96 is: 19,995,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,622,689.32 : 65,434,189.50 = 13,330,425.96 : x
  2. Step 2: Convert to fraction form
    43,622,689.32/65,434,189.50 = 13,330,425.96/x
  3. Step 3: Cross multiply
    43,622,689.32x = 65,434,189.50 × 13,330,425.96
  4. Step 4: Simplify right side
    43,622,689.32x = 872,265,618,382,359.50
  5. Step 5: Solve for x
    x = 872,265,618,382,359.50/43,622,689.32
  6. Step 6: Final answer
    x = 19,995,686.46

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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.