Home / 8,502,380.46-12,756,324.78-5,090,133.42

Finding the Fourth Proportional to 8,502,380.46, 12,756,324.78 and 5,090,133.42

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Solution

The fourth proportional to 8,502,380.46, 12,756,324.78 and 5,090,133.42 is: 7,636,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502,380.46 : 12,756,324.78 = 5,090,133.42 : x
  2. Step 2: Convert to fraction form
    8,502,380.46/12,756,324.78 = 5,090,133.42/x
  3. Step 3: Cross multiply
    8,502,380.46x = 12,756,324.78 × 5,090,133.42
  4. Step 4: Simplify right side
    8,502,380.46x = 64,931,395,079,052.14
  5. Step 5: Solve for x
    x = 64,931,395,079,052.14/8,502,380.46
  6. Step 6: Final answer
    x = 7,636,848.93

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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.