Home / 12,193,621.76-16,825,651.44-6,685,547.18

Finding the Fourth Proportional to 12,193,621.76, 16,825,651.44 and 6,685,547.18

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Solution

The fourth proportional to 12,193,621.76, 16,825,651.44 and 6,685,547.18 is: 9,225,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,621.76 : 16,825,651.44 = 6,685,547.18 : x
  2. Step 2: Convert to fraction form
    12,193,621.76/16,825,651.44 = 6,685,547.18/x
  3. Step 3: Cross multiply
    12,193,621.76x = 16,825,651.44 × 6,685,547.18
  4. Step 4: Simplify right side
    12,193,621.76x = 112,488,686,536,354.94
  5. Step 5: Solve for x
    x = 112,488,686,536,354.94/12,193,621.76
  6. Step 6: Final answer
    x = 9,225,207.14

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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.