Home / 9,177,113.09-12,664,148.51-5,047,140.38

Finding the Fourth Proportional to 9,177,113.09, 12,664,148.51 and 5,047,140.38

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Solution

The fourth proportional to 9,177,113.09, 12,664,148.51 and 5,047,140.38 is: 6,964,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177,113.09 : 12,664,148.51 = 5,047,140.38 : x
  2. Step 2: Convert to fraction form
    9,177,113.09/12,664,148.51 = 5,047,140.38/x
  3. Step 3: Cross multiply
    9,177,113.09x = 12,664,148.51 × 5,047,140.38
  4. Step 4: Simplify right side
    9,177,113.09x = 63,917,735,272,434.94
  5. Step 5: Solve for x
    x = 63,917,735,272,434.94/9,177,113.09
  6. Step 6: Final answer
    x = 6,964,906.57

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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.