Home / 13,357,929.06-18,433,977.60-7,246,357.56

Finding the Fourth Proportional to 13,357,929.06, 18,433,977.60 and 7,246,357.56

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Solution

The fourth proportional to 13,357,929.06, 18,433,977.60 and 7,246,357.56 is: 9,999,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,929.06 : 18,433,977.60 = 7,246,357.56 : x
  2. Step 2: Convert to fraction form
    13,357,929.06/18,433,977.60 = 7,246,357.56/x
  3. Step 3: Cross multiply
    13,357,929.06x = 18,433,977.60 × 7,246,357.56
  4. Step 4: Simplify right side
    13,357,929.06x = 133,579,192,942,630.66
  5. Step 5: Solve for x
    x = 133,579,192,942,630.66/13,357,929.06
  6. Step 6: Final answer
    x = 9,999,992.69

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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.