Home / 13,017,987.80-19,508,319.30-9,579,440.60

Finding the Fourth Proportional to 13,017,987.80, 19,508,319.30 and 9,579,440.60

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Solution

The fourth proportional to 13,017,987.80, 19,508,319.30 and 9,579,440.60 is: 14,355,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,987.80 : 19,508,319.30 = 9,579,440.60 : x
  2. Step 2: Convert to fraction form
    13,017,987.80/19,508,319.30 = 9,579,440.60/x
  3. Step 3: Cross multiply
    13,017,987.80x = 19,508,319.30 × 9,579,440.60
  4. Step 4: Simplify right side
    13,017,987.80x = 186,878,785,940,183.59
  5. Step 5: Solve for x
    x = 186,878,785,940,183.59/13,017,987.80
  6. Step 6: Final answer
    x = 14,355,427.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.