Home / 9,431,140.50-13,014,974.03-5,138,788.50

Finding the Fourth Proportional to 9,431,140.50, 13,014,974.03 and 5,138,788.50

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Solution

The fourth proportional to 9,431,140.50, 13,014,974.03 and 5,138,788.50 is: 7,091,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,140.50 : 13,014,974.03 = 5,138,788.50 : x
  2. Step 2: Convert to fraction form
    9,431,140.50/13,014,974.03 = 5,138,788.50/x
  3. Step 3: Cross multiply
    9,431,140.50x = 13,014,974.03 × 5,138,788.50
  4. Step 4: Simplify right side
    9,431,140.50x = 66,881,198,847,468.71
  5. Step 5: Solve for x
    x = 66,881,198,847,468.71/9,431,140.50
  6. Step 6: Final answer
    x = 7,091,528.20

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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.