Home / 11,911,897.60-16,437,082.80-7,016,800.96

Finding the Fourth Proportional to 11,911,897.60, 16,437,082.80 and 7,016,800.96

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Solution

The fourth proportional to 11,911,897.60, 16,437,082.80 and 7,016,800.96 is: 9,682,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911,897.60 : 16,437,082.80 = 7,016,800.96 : x
  2. Step 2: Convert to fraction form
    11,911,897.60/16,437,082.80 = 7,016,800.96/x
  3. Step 3: Cross multiply
    11,911,897.60x = 16,437,082.80 × 7,016,800.96
  4. Step 4: Simplify right side
    11,911,897.60x = 115,335,738,370,639.50
  5. Step 5: Solve for x
    x = 115,335,738,370,639.50/11,911,897.60
  6. Step 6: Final answer
    x = 9,682,398.41

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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.