Home / 9,191,778-13,793,966.64-3,208,146

Finding the Fourth Proportional to 9,191,778, 13,793,966.64 and 3,208,146

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Solution

The fourth proportional to 9,191,778, 13,793,966.64 and 3,208,146 is: 4,814,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,778 : 13,793,966.64 = 3,208,146 : x
  2. Step 2: Convert to fraction form
    9,191,778/13,793,966.64 = 3,208,146/x
  3. Step 3: Cross multiply
    9,191,778x = 13,793,966.64 × 3,208,146
  4. Step 4: Simplify right side
    9,191,778x = 44,253,058,900,249.45
  5. Step 5: Solve for x
    x = 44,253,058,900,249.45/9,191,778
  6. Step 6: Final answer
    x = 4,814,417.72

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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.