Home / 11,361,677.31-15,679,501.60-6,719,441.76

Finding the Fourth Proportional to 11,361,677.31, 15,679,501.60 and 6,719,441.76

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Solution

The fourth proportional to 11,361,677.31, 15,679,501.60 and 6,719,441.76 is: 9,273,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361,677.31 : 15,679,501.60 = 6,719,441.76 : x
  2. Step 2: Convert to fraction form
    11,361,677.31/15,679,501.60 = 6,719,441.76/x
  3. Step 3: Cross multiply
    11,361,677.31x = 15,679,501.60 × 6,719,441.76
  4. Step 4: Simplify right side
    11,361,677.31x = 105,357,497,885,820.83
  5. Step 5: Solve for x
    x = 105,357,497,885,820.83/11,361,677.31
  6. Step 6: Final answer
    x = 9,273,058.46

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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.