Home / 21,700,638.45-29,948,377.86-14,345,716.41

Finding the Fourth Proportional to 21,700,638.45, 29,948,377.86 and 14,345,716.41

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Solution

The fourth proportional to 21,700,638.45, 29,948,377.86 and 14,345,716.41 is: 19,798,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700,638.45 : 29,948,377.86 = 14,345,716.41 : x
  2. Step 2: Convert to fraction form
    21,700,638.45/29,948,377.86 = 14,345,716.41/x
  3. Step 3: Cross multiply
    21,700,638.45x = 29,948,377.86 × 14,345,716.41
  4. Step 4: Simplify right side
    21,700,638.45x = 429,630,935,719,082.69
  5. Step 5: Solve for x
    x = 429,630,935,719,082.69/21,700,638.45
  6. Step 6: Final answer
    x = 19,798,078.14

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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.