Home / 10,863,633.20-16,307,891.40-6,378,436.40

Finding the Fourth Proportional to 10,863,633.20, 16,307,891.40 and 6,378,436.40

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Solution

The fourth proportional to 10,863,633.20, 16,307,891.40 and 6,378,436.40 is: 9,574,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,633.20 : 16,307,891.40 = 6,378,436.40 : x
  2. Step 2: Convert to fraction form
    10,863,633.20/16,307,891.40 = 6,378,436.40/x
  3. Step 3: Cross multiply
    10,863,633.20x = 16,307,891.40 × 6,378,436.40
  4. Step 4: Simplify right side
    10,863,633.20x = 104,018,848,113,006.97
  5. Step 5: Solve for x
    x = 104,018,848,113,006.97/10,863,633.20
  6. Step 6: Final answer
    x = 9,574,959.52

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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.