Home / 12,012,871.60-16,578,030.36-6,856,129.36

Finding the Fourth Proportional to 12,012,871.60, 16,578,030.36 and 6,856,129.36

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Solution

The fourth proportional to 12,012,871.60, 16,578,030.36 and 6,856,129.36 is: 9,461,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,871.60 : 16,578,030.36 = 6,856,129.36 : x
  2. Step 2: Convert to fraction form
    12,012,871.60/16,578,030.36 = 6,856,129.36/x
  3. Step 3: Cross multiply
    12,012,871.60x = 16,578,030.36 × 6,856,129.36
  4. Step 4: Simplify right side
    12,012,871.60x = 113,661,120,682,167.38
  5. Step 5: Solve for x
    x = 113,661,120,682,167.38/12,012,871.60
  6. Step 6: Final answer
    x = 9,461,611.22

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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.