Home / 11,838,965-16,337,786.30-6,406,457

Finding the Fourth Proportional to 11,838,965, 16,337,786.30 and 6,406,457

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Solution

The fourth proportional to 11,838,965, 16,337,786.30 and 6,406,457 is: 8,840,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838,965 : 16,337,786.30 = 6,406,457 : x
  2. Step 2: Convert to fraction form
    11,838,965/16,337,786.30 = 6,406,457/x
  3. Step 3: Cross multiply
    11,838,965x = 16,337,786.30 × 6,406,457
  4. Step 4: Simplify right side
    11,838,965x = 104,667,325,406,139.11
  5. Step 5: Solve for x
    x = 104,667,325,406,139.11/11,838,965
  6. Step 6: Final answer
    x = 8,840,918.56

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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.