Home / 14,101,778.12-19,453,291.52-9,209,863.72

Finding the Fourth Proportional to 14,101,778.12, 19,453,291.52 and 9,209,863.72

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Solution

The fourth proportional to 14,101,778.12, 19,453,291.52 and 9,209,863.72 is: 12,704,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101,778.12 : 19,453,291.52 = 9,209,863.72 : x
  2. Step 2: Convert to fraction form
    14,101,778.12/19,453,291.52 = 9,209,863.72/x
  3. Step 3: Cross multiply
    14,101,778.12x = 19,453,291.52 × 9,209,863.72
  4. Step 4: Simplify right side
    14,101,778.12x = 179,162,163,804,631.66
  5. Step 5: Solve for x
    x = 179,162,163,804,631.66/14,101,778.12
  6. Step 6: Final answer
    x = 12,704,934.25

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1.5x scale

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.