Home / 12,653,194.60-18,965,795.10-6,977,492.20

Finding the Fourth Proportional to 12,653,194.60, 18,965,795.10 and 6,977,492.20

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Solution

The fourth proportional to 12,653,194.60, 18,965,795.10 and 6,977,492.20 is: 10,458,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,194.60 : 18,965,795.10 = 6,977,492.20 : x
  2. Step 2: Convert to fraction form
    12,653,194.60/18,965,795.10 = 6,977,492.20/x
  3. Step 3: Cross multiply
    12,653,194.60x = 18,965,795.10 × 6,977,492.20
  4. Step 4: Simplify right side
    12,653,194.60x = 132,333,687,377,048.23
  5. Step 5: Solve for x
    x = 132,333,687,377,048.23/12,653,194.60
  6. Step 6: Final answer
    x = 10,458,519.89

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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.