Home / 13,527,482.52-18,667,220.94-7,725,130.68

Finding the Fourth Proportional to 13,527,482.52, 18,667,220.94 and 7,725,130.68

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Solution

The fourth proportional to 13,527,482.52, 18,667,220.94 and 7,725,130.68 is: 10,660,277.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,482.52 : 18,667,220.94 = 7,725,130.68 : x
  2. Step 2: Convert to fraction form
    13,527,482.52/18,667,220.94 = 7,725,130.68/x
  3. Step 3: Cross multiply
    13,527,482.52x = 18,667,220.94 × 7,725,130.68
  4. Step 4: Simplify right side
    13,527,482.52x = 144,206,721,193,932.44
  5. Step 5: Solve for x
    x = 144,206,721,193,932.44/13,527,482.52
  6. Step 6: Final answer
    x = 10,660,277.77

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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.