Home / 13,495,033.74-18,603,776.92-9,620,828.85

Finding the Fourth Proportional to 13,495,033.74, 18,603,776.92 and 9,620,828.85

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Solution

The fourth proportional to 13,495,033.74, 18,603,776.92 and 9,620,828.85 is: 13,262,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495,033.74 : 18,603,776.92 = 9,620,828.85 : x
  2. Step 2: Convert to fraction form
    13,495,033.74/18,603,776.92 = 9,620,828.85/x
  3. Step 3: Cross multiply
    13,495,033.74x = 18,603,776.92 × 9,620,828.85
  4. Step 4: Simplify right side
    13,495,033.74x = 178,983,753,710,900.16
  5. Step 5: Solve for x
    x = 178,983,753,710,900.16/13,495,033.74
  6. Step 6: Final answer
    x = 13,262,934.88

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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.