Home / 26,181,928.58-39,210,674.90-13,187,199.68

Finding the Fourth Proportional to 26,181,928.58, 39,210,674.90 and 13,187,199.68

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Solution

The fourth proportional to 26,181,928.58, 39,210,674.90 and 13,187,199.68 is: 19,749,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181,928.58 : 39,210,674.90 = 13,187,199.68 : x
  2. Step 2: Convert to fraction form
    26,181,928.58/39,210,674.90 = 13,187,199.68/x
  3. Step 3: Cross multiply
    26,181,928.58x = 39,210,674.90 × 13,187,199.68
  4. Step 4: Simplify right side
    26,181,928.58x = 517,078,999,231,874.75
  5. Step 5: Solve for x
    x = 517,078,999,231,874.75/26,181,928.58
  6. Step 6: Final answer
    x = 19,749,461.84

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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.