Home / 13,286,601.45-18,335,426.49-7,487,246.07

Finding the Fourth Proportional to 13,286,601.45, 18,335,426.49 and 7,487,246.07

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Solution

The fourth proportional to 13,286,601.45, 18,335,426.49 and 7,487,246.07 is: 10,332,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,601.45 : 18,335,426.49 = 7,487,246.07 : x
  2. Step 2: Convert to fraction form
    13,286,601.45/18,335,426.49 = 7,487,246.07/x
  3. Step 3: Cross multiply
    13,286,601.45x = 18,335,426.49 × 7,487,246.07
  4. Step 4: Simplify right side
    13,286,601.45x = 137,281,849,929,026.39
  5. Step 5: Solve for x
    x = 137,281,849,929,026.39/13,286,601.45
  6. Step 6: Final answer
    x = 10,332,352.52

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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.