Home / 9,007,883.78-12,431,768.68-5,140,983.47

Finding the Fourth Proportional to 9,007,883.78, 12,431,768.68 and 5,140,983.47

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Solution

The fourth proportional to 9,007,883.78, 12,431,768.68 and 5,140,983.47 is: 7,095,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007,883.78 : 12,431,768.68 = 5,140,983.47 : x
  2. Step 2: Convert to fraction form
    9,007,883.78/12,431,768.68 = 5,140,983.47/x
  3. Step 3: Cross multiply
    9,007,883.78x = 12,431,768.68 × 5,140,983.47
  4. Step 4: Simplify right side
    9,007,883.78x = 63,911,517,286,743.71
  5. Step 5: Solve for x
    x = 63,911,517,286,743.71/9,007,883.78
  6. Step 6: Final answer
    x = 7,095,064.60

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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.