Home / 12,092,697.38-16,699,013.10-7,683,875.48

Finding the Fourth Proportional to 12,092,697.38, 16,699,013.10 and 7,683,875.48

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Solution

The fourth proportional to 12,092,697.38, 16,699,013.10 and 7,683,875.48 is: 10,610,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092,697.38 : 16,699,013.10 = 7,683,875.48 : x
  2. Step 2: Convert to fraction form
    12,092,697.38/16,699,013.10 = 7,683,875.48/x
  3. Step 3: Cross multiply
    12,092,697.38x = 16,699,013.10 × 7,683,875.48
  4. Step 4: Simplify right side
    12,092,697.38x = 128,313,137,215,793.72
  5. Step 5: Solve for x
    x = 128,313,137,215,793.72/12,092,697.38
  6. Step 6: Final answer
    x = 10,610,795.36

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1.5x scale

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.