Home / 11,938,871.56-16,475,162.10-6,506,246.92

Finding the Fourth Proportional to 11,938,871.56, 16,475,162.10 and 6,506,246.92

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Solution

The fourth proportional to 11,938,871.56, 16,475,162.10 and 6,506,246.92 is: 8,978,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938,871.56 : 16,475,162.10 = 6,506,246.92 : x
  2. Step 2: Convert to fraction form
    11,938,871.56/16,475,162.10 = 6,506,246.92/x
  3. Step 3: Cross multiply
    11,938,871.56x = 16,475,162.10 × 6,506,246.92
  4. Step 4: Simplify right side
    11,938,871.56x = 107,191,472,669,625.73
  5. Step 5: Solve for x
    x = 107,191,472,669,625.73/11,938,871.56
  6. Step 6: Final answer
    x = 8,978,358.81

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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.