Home / 7,298,057.72-10,071,294.54-4,078,793.72

Finding the Fourth Proportional to 7,298,057.72, 10,071,294.54 and 4,078,793.72

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Solution

The fourth proportional to 7,298,057.72, 10,071,294.54 and 4,078,793.72 is: 5,628,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298,057.72 : 10,071,294.54 = 4,078,793.72 : x
  2. Step 2: Convert to fraction form
    7,298,057.72/10,071,294.54 = 4,078,793.72/x
  3. Step 3: Cross multiply
    7,298,057.72x = 10,071,294.54 × 4,078,793.72
  4. Step 4: Simplify right side
    7,298,057.72x = 41,078,732,922,022.29
  5. Step 5: Solve for x
    x = 41,078,732,922,022.29/7,298,057.72
  6. Step 6: Final answer
    x = 5,628,721.30

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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.