Home / 8,137,940.57-11,239,678.50-5,359,484.15

Finding the Fourth Proportional to 8,137,940.57, 11,239,678.50 and 5,359,484.15

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Solution

The fourth proportional to 8,137,940.57, 11,239,678.50 and 5,359,484.15 is: 7,402,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,940.57 : 11,239,678.50 = 5,359,484.15 : x
  2. Step 2: Convert to fraction form
    8,137,940.57/11,239,678.50 = 5,359,484.15/x
  3. Step 3: Cross multiply
    8,137,940.57x = 11,239,678.50 × 5,359,484.15
  4. Step 4: Simplify right side
    8,137,940.57x = 60,238,878,771,845.78
  5. Step 5: Solve for x
    x = 60,238,878,771,845.78/8,137,940.57
  6. Step 6: Final answer
    x = 7,402,226.43

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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.