Home / 7,912,707.12-10,919,541.96-4,291,035.12

Finding the Fourth Proportional to 7,912,707.12, 10,919,541.96 and 4,291,035.12

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Solution

The fourth proportional to 7,912,707.12, 10,919,541.96 and 4,291,035.12 is: 5,921,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,707.12 : 10,919,541.96 = 4,291,035.12 : x
  2. Step 2: Convert to fraction form
    7,912,707.12/10,919,541.96 = 4,291,035.12/x
  3. Step 3: Cross multiply
    7,912,707.12x = 10,919,541.96 × 4,291,035.12
  4. Step 4: Simplify right side
    7,912,707.12x = 46,856,138,044,673.64
  5. Step 5: Solve for x
    x = 46,856,138,044,673.64/7,912,707.12
  6. Step 6: Final answer
    x = 5,921,631.79

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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.