Home / 13,051,713.92-18,012,930.95-7,827,596.10

Finding the Fourth Proportional to 13,051,713.92, 18,012,930.95 and 7,827,596.10

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Solution

The fourth proportional to 13,051,713.92, 18,012,930.95 and 7,827,596.10 is: 10,803,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,713.92 : 18,012,930.95 = 7,827,596.10 : x
  2. Step 2: Convert to fraction form
    13,051,713.92/18,012,930.95 = 7,827,596.10/x
  3. Step 3: Cross multiply
    13,051,713.92x = 18,012,930.95 × 7,827,596.10
  4. Step 4: Simplify right side
    13,051,713.92x = 140,997,948,053,789.28
  5. Step 5: Solve for x
    x = 140,997,948,053,789.28/13,051,713.92
  6. Step 6: Final answer
    x = 10,803,021.65

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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.