Home / 12,965,980.60-19,452,333.30-6,895,720.72

Finding the Fourth Proportional to 12,965,980.60, 19,452,333.30 and 6,895,720.72

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Solution

The fourth proportional to 12,965,980.60, 19,452,333.30 and 6,895,720.72 is: 10,345,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965,980.60 : 19,452,333.30 = 6,895,720.72 : x
  2. Step 2: Convert to fraction form
    12,965,980.60/19,452,333.30 = 6,895,720.72/x
  3. Step 3: Cross multiply
    12,965,980.60x = 19,452,333.30 × 6,895,720.72
  4. Step 4: Simplify right side
    12,965,980.60x = 134,137,857,789,155.97
  5. Step 5: Solve for x
    x = 134,137,857,789,155.97/12,965,980.60
  6. Step 6: Final answer
    x = 10,345,369.31

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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.