Home / 7,127,516.54-9,836,180.35-4,029,973.40

Finding the Fourth Proportional to 7,127,516.54, 9,836,180.35 and 4,029,973.40

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Solution

The fourth proportional to 7,127,516.54, 9,836,180.35 and 4,029,973.40 is: 5,561,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,516.54 : 9,836,180.35 = 4,029,973.40 : x
  2. Step 2: Convert to fraction form
    7,127,516.54/9,836,180.35 = 4,029,973.40/x
  3. Step 3: Cross multiply
    7,127,516.54x = 9,836,180.35 × 4,029,973.40
  4. Step 4: Simplify right side
    7,127,516.54x = 39,639,545,182,618.20
  5. Step 5: Solve for x
    x = 39,639,545,182,618.20/7,127,516.54
  6. Step 6: Final answer
    x = 5,561,480.63

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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.