Home / 9,991,705.34-14,988,102.87-3,167,784.87

Finding the Fourth Proportional to 9,991,705.34, 14,988,102.87 and 3,167,784.87

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Solution

The fourth proportional to 9,991,705.34, 14,988,102.87 and 3,167,784.87 is: 4,751,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,705.34 : 14,988,102.87 = 3,167,784.87 : x
  2. Step 2: Convert to fraction form
    9,991,705.34/14,988,102.87 = 3,167,784.87/x
  3. Step 3: Cross multiply
    9,991,705.34x = 14,988,102.87 × 3,167,784.87
  4. Step 4: Simplify right side
    9,991,705.34x = 47,479,085,501,589.58
  5. Step 5: Solve for x
    x = 47,479,085,501,589.58/9,991,705.34
  6. Step 6: Final answer
    x = 4,751,850.05

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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.