Home / 13,330,235.52-19,981,888.56-5,248,881.72

Finding the Fourth Proportional to 13,330,235.52, 19,981,888.56 and 5,248,881.72

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Solution

The fourth proportional to 13,330,235.52, 19,981,888.56 and 5,248,881.72 is: 7,868,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330,235.52 : 19,981,888.56 = 5,248,881.72 : x
  2. Step 2: Convert to fraction form
    13,330,235.52/19,981,888.56 = 5,248,881.72/x
  3. Step 3: Cross multiply
    13,330,235.52x = 19,981,888.56 × 5,248,881.72
  4. Step 4: Simplify right side
    13,330,235.52x = 104,882,569,593,661.11
  5. Step 5: Solve for x
    x = 104,882,569,593,661.11/13,330,235.52
  6. Step 6: Final answer
    x = 7,868,020.74

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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.