Home / 13,855,992.57-19,120,970.52-7,660,801.17

Finding the Fourth Proportional to 13,855,992.57, 19,120,970.52 and 7,660,801.17

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Solution

The fourth proportional to 13,855,992.57, 19,120,970.52 and 7,660,801.17 is: 10,571,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,992.57 : 19,120,970.52 = 7,660,801.17 : x
  2. Step 2: Convert to fraction form
    13,855,992.57/19,120,970.52 = 7,660,801.17/x
  3. Step 3: Cross multiply
    13,855,992.57x = 19,120,970.52 × 7,660,801.17
  4. Step 4: Simplify right side
    13,855,992.57x = 146,481,953,331,151.50
  5. Step 5: Solve for x
    x = 146,481,953,331,151.50/13,855,992.57
  6. Step 6: Final answer
    x = 10,571,740.18

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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.