Home / 9,712,965.42-13,403,912.13-5,362,057.71

Finding the Fourth Proportional to 9,712,965.42, 13,403,912.13 and 5,362,057.71

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Solution

The fourth proportional to 9,712,965.42, 13,403,912.13 and 5,362,057.71 is: 7,399,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,965.42 : 13,403,912.13 = 5,362,057.71 : x
  2. Step 2: Convert to fraction form
    9,712,965.42/13,403,912.13 = 5,362,057.71/x
  3. Step 3: Cross multiply
    9,712,965.42x = 13,403,912.13 × 5,362,057.71
  4. Step 4: Simplify right side
    9,712,965.42x = 71,872,550,380,829.03
  5. Step 5: Solve for x
    x = 71,872,550,380,829.03/9,712,965.42
  6. Step 6: Final answer
    x = 7,399,650.60

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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.