Home / 13,868,036.28-19,137,785.96-7,756,464.76

Finding the Fourth Proportional to 13,868,036.28, 19,137,785.96 and 7,756,464.76

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Solution

The fourth proportional to 13,868,036.28, 19,137,785.96 and 7,756,464.76 is: 10,703,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,036.28 : 19,137,785.96 = 7,756,464.76 : x
  2. Step 2: Convert to fraction form
    13,868,036.28/19,137,785.96 = 7,756,464.76/x
  3. Step 3: Cross multiply
    13,868,036.28x = 19,137,785.96 × 7,756,464.76
  4. Step 4: Simplify right side
    13,868,036.28x = 148,441,562,383,162.78
  5. Step 5: Solve for x
    x = 148,441,562,383,162.78/13,868,036.28
  6. Step 6: Final answer
    x = 10,703,863.14

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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.