Home / 7,013,257.66-9,678,200.43-3,915,828.64

Finding the Fourth Proportional to 7,013,257.66, 9,678,200.43 and 3,915,828.64

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Solution

The fourth proportional to 7,013,257.66, 9,678,200.43 and 3,915,828.64 is: 5,403,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,257.66 : 9,678,200.43 = 3,915,828.64 : x
  2. Step 2: Convert to fraction form
    7,013,257.66/9,678,200.43 = 3,915,828.64/x
  3. Step 3: Cross multiply
    7,013,257.66x = 9,678,200.43 × 3,915,828.64
  4. Step 4: Simplify right side
    7,013,257.66x = 37,898,174,427,454.31
  5. Step 5: Solve for x
    x = 37,898,174,427,454.31/7,013,257.66
  6. Step 6: Final answer
    x = 5,403,790.40

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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.