Home / 10,872,020.94-15,003,398.43-5,977,326.30

Finding the Fourth Proportional to 10,872,020.94, 15,003,398.43 and 5,977,326.30

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Solution

The fourth proportional to 10,872,020.94, 15,003,398.43 and 5,977,326.30 is: 8,248,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,020.94 : 15,003,398.43 = 5,977,326.30 : x
  2. Step 2: Convert to fraction form
    10,872,020.94/15,003,398.43 = 5,977,326.30/x
  3. Step 3: Cross multiply
    10,872,020.94x = 15,003,398.43 × 5,977,326.30
  4. Step 4: Simplify right side
    10,872,020.94x = 89,680,208,025,017.70
  5. Step 5: Solve for x
    x = 89,680,208,025,017.70/10,872,020.94
  6. Step 6: Final answer
    x = 8,248,715.54

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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.