Home / 13,335,268.32-19,973,768.40-8,202,071.52

Finding the Fourth Proportional to 13,335,268.32, 19,973,768.40 and 8,202,071.52

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Solution

The fourth proportional to 13,335,268.32, 19,973,768.40 and 8,202,071.52 is: 12,285,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335,268.32 : 19,973,768.40 = 8,202,071.52 : x
  2. Step 2: Convert to fraction form
    13,335,268.32/19,973,768.40 = 8,202,071.52/x
  3. Step 3: Cross multiply
    13,335,268.32x = 19,973,768.40 × 8,202,071.52
  4. Step 4: Simplify right side
    13,335,268.32x = 163,826,276,940,715.94
  5. Step 5: Solve for x
    x = 163,826,276,940,715.94/13,335,268.32
  6. Step 6: Final answer
    x = 12,285,187.89

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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.