Home / 9,315,430.97-12,855,163.05-5,241,040.25

Finding the Fourth Proportional to 9,315,430.97, 12,855,163.05 and 5,241,040.25

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Solution

The fourth proportional to 9,315,430.97, 12,855,163.05 and 5,241,040.25 is: 7,232,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,430.97 : 12,855,163.05 = 5,241,040.25 : x
  2. Step 2: Convert to fraction form
    9,315,430.97/12,855,163.05 = 5,241,040.25/x
  3. Step 3: Cross multiply
    9,315,430.97x = 12,855,163.05 × 5,241,040.25
  4. Step 4: Simplify right side
    9,315,430.97x = 67,374,426,965,362.77
  5. Step 5: Solve for x
    x = 67,374,426,965,362.77/9,315,430.97
  6. Step 6: Final answer
    x = 7,232,561.45

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Double scale
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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.