Home / 7,660,693.38-10,571,828.70-4,223,057.40

Finding the Fourth Proportional to 7,660,693.38, 10,571,828.70 and 4,223,057.40

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Solution

The fourth proportional to 7,660,693.38, 10,571,828.70 and 4,223,057.40 is: 5,827,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,693.38 : 10,571,828.70 = 4,223,057.40 : x
  2. Step 2: Convert to fraction form
    7,660,693.38/10,571,828.70 = 4,223,057.40/x
  3. Step 3: Cross multiply
    7,660,693.38x = 10,571,828.70 × 4,223,057.40
  4. Step 4: Simplify right side
    7,660,693.38x = 44,645,439,423,067.38
  5. Step 5: Solve for x
    x = 44,645,439,423,067.38/7,660,693.38
  6. Step 6: Final answer
    x = 5,827,858.81

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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.