Home / 7,872,541.11-10,864,058.31-4,435,889.31

Finding the Fourth Proportional to 7,872,541.11, 10,864,058.31 and 4,435,889.31

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Solution

The fourth proportional to 7,872,541.11, 10,864,058.31 and 4,435,889.31 is: 6,121,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,541.11 : 10,864,058.31 = 4,435,889.31 : x
  2. Step 2: Convert to fraction form
    7,872,541.11/10,864,058.31 = 4,435,889.31/x
  3. Step 3: Cross multiply
    7,872,541.11x = 10,864,058.31 × 4,435,889.31
  4. Step 4: Simplify right side
    7,872,541.11x = 48,191,760,120,545.66
  5. Step 5: Solve for x
    x = 48,191,760,120,545.66/7,872,541.11
  6. Step 6: Final answer
    x = 6,121,499.96

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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.