Home / 10,686,954.30-15,992,590.87-6,645,345.49

Finding the Fourth Proportional to 10,686,954.30, 15,992,590.87 and 6,645,345.49

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Solution

The fourth proportional to 10,686,954.30, 15,992,590.87 and 6,645,345.49 is: 9,944,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,954.30 : 15,992,590.87 = 6,645,345.49 : x
  2. Step 2: Convert to fraction form
    10,686,954.30/15,992,590.87 = 6,645,345.49/x
  3. Step 3: Cross multiply
    10,686,954.30x = 15,992,590.87 × 6,645,345.49
  4. Step 4: Simplify right side
    10,686,954.30x = 106,276,291,611,369.67
  5. Step 5: Solve for x
    x = 106,276,291,611,369.67/10,686,954.30
  6. Step 6: Final answer
    x = 9,944,488.26

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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.