Home / 13,351,953.25-18,425,695.49-7,240,386.61

Finding the Fourth Proportional to 13,351,953.25, 18,425,695.49 and 7,240,386.61

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Solution

The fourth proportional to 13,351,953.25, 18,425,695.49 and 7,240,386.61 is: 9,991,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,953.25 : 18,425,695.49 = 7,240,386.61 : x
  2. Step 2: Convert to fraction form
    13,351,953.25/18,425,695.49 = 7,240,386.61/x
  3. Step 3: Cross multiply
    13,351,953.25x = 18,425,695.49 × 7,240,386.61
  4. Step 4: Simplify right side
    13,351,953.25x = 133,409,158,905,733.39
  5. Step 5: Solve for x
    x = 133,409,158,905,733.39/13,351,953.25
  6. Step 6: Final answer
    x = 9,991,733.52

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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.