Home / 13,200,332.67-18,215,537.58-7,320,264.84

Finding the Fourth Proportional to 13,200,332.67, 18,215,537.58 and 7,320,264.84

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Solution

The fourth proportional to 13,200,332.67, 18,215,537.58 and 7,320,264.84 is: 10,101,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,332.67 : 18,215,537.58 = 7,320,264.84 : x
  2. Step 2: Convert to fraction form
    13,200,332.67/18,215,537.58 = 7,320,264.84/x
  3. Step 3: Cross multiply
    13,200,332.67x = 18,215,537.58 × 7,320,264.84
  4. Step 4: Simplify right side
    13,200,332.67x = 133,342,559,288,572.67
  5. Step 5: Solve for x
    x = 133,342,559,288,572.67/13,200,332.67
  6. Step 6: Final answer
    x = 10,101,454.46

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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.