Home / 11,868,404-16,378,397.52-6,435,900.32

Finding the Fourth Proportional to 11,868,404, 16,378,397.52 and 6,435,900.32

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Solution

The fourth proportional to 11,868,404, 16,378,397.52 and 6,435,900.32 is: 8,881,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,404 : 16,378,397.52 = 6,435,900.32 : x
  2. Step 2: Convert to fraction form
    11,868,404/16,378,397.52 = 6,435,900.32/x
  3. Step 3: Cross multiply
    11,868,404x = 16,378,397.52 × 6,435,900.32
  4. Step 4: Simplify right side
    11,868,404x = 105,409,733,840,055.20
  5. Step 5: Solve for x
    x = 105,409,733,840,055.20/11,868,404
  6. Step 6: Final answer
    x = 8,881,542.44

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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.