Home / 7,099,145.10-10,648,717.65-3,320,009.10

Finding the Fourth Proportional to 7,099,145.10, 10,648,717.65 and 3,320,009.10

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Solution

The fourth proportional to 7,099,145.10, 10,648,717.65 and 3,320,009.10 is: 4,980,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,145.10 : 10,648,717.65 = 3,320,009.10 : x
  2. Step 2: Convert to fraction form
    7,099,145.10/10,648,717.65 = 3,320,009.10/x
  3. Step 3: Cross multiply
    7,099,145.10x = 10,648,717.65 × 3,320,009.10
  4. Step 4: Simplify right side
    7,099,145.10x = 35,353,839,501,330.62
  5. Step 5: Solve for x
    x = 35,353,839,501,330.62/7,099,145.10
  6. Step 6: Final answer
    x = 4,980,013.65

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Double scale
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Similar ratio
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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.