Home / 10,678,132.80-16,018,944.48-3,487,579.20

Finding the Fourth Proportional to 10,678,132.80, 16,018,944.48 and 3,487,579.20

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Solution

The fourth proportional to 10,678,132.80, 16,018,944.48 and 3,487,579.20 is: 5,231,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678,132.80 : 16,018,944.48 = 3,487,579.20 : x
  2. Step 2: Convert to fraction form
    10,678,132.80/16,018,944.48 = 3,487,579.20/x
  3. Step 3: Cross multiply
    10,678,132.80x = 16,018,944.48 × 3,487,579.20
  4. Step 4: Simplify right side
    10,678,132.80x = 55,867,337,574,402.82
  5. Step 5: Solve for x
    x = 55,867,337,574,402.82/10,678,132.80
  6. Step 6: Final answer
    x = 5,231,938.82

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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.