Home / 10,875,296.72-16,312,944.17-5,178,249.20

Finding the Fourth Proportional to 10,875,296.72, 16,312,944.17 and 5,178,249.20

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Solution

The fourth proportional to 10,875,296.72, 16,312,944.17 and 5,178,249.20 is: 7,767,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,296.72 : 16,312,944.17 = 5,178,249.20 : x
  2. Step 2: Convert to fraction form
    10,875,296.72/16,312,944.17 = 5,178,249.20/x
  3. Step 3: Cross multiply
    10,875,296.72x = 16,312,944.17 × 5,178,249.20
  4. Step 4: Simplify right side
    10,875,296.72x = 84,472,490,151,675.14
  5. Step 5: Solve for x
    x = 84,472,490,151,675.14/10,875,296.72
  6. Step 6: Final answer
    x = 7,767,373.37

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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.