Home / 11,129,681-16,689,660.06-3,938,825.96

Finding the Fourth Proportional to 11,129,681, 16,689,660.06 and 3,938,825.96

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Solution

The fourth proportional to 11,129,681, 16,689,660.06 and 3,938,825.96 is: 5,906,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,681 : 16,689,660.06 = 3,938,825.96 : x
  2. Step 2: Convert to fraction form
    11,129,681/16,689,660.06 = 3,938,825.96/x
  3. Step 3: Cross multiply
    11,129,681x = 16,689,660.06 × 3,938,825.96
  4. Step 4: Simplify right side
    11,129,681x = 65,737,666,307,903.16
  5. Step 5: Solve for x
    x = 65,737,666,307,903.16/11,129,681
  6. Step 6: Final answer
    x = 5,906,518.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.