Home / 21,392,913.72-32,086,214.10-6,242,777.40

Finding the Fourth Proportional to 21,392,913.72, 32,086,214.10 and 6,242,777.40

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Solution

The fourth proportional to 21,392,913.72, 32,086,214.10 and 6,242,777.40 is: 9,363,244.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392,913.72 : 32,086,214.10 = 6,242,777.40 : x
  2. Step 2: Convert to fraction form
    21,392,913.72/32,086,214.10 = 6,242,777.40/x
  3. Step 3: Cross multiply
    21,392,913.72x = 32,086,214.10 × 6,242,777.40
  4. Step 4: Simplify right side
    21,392,913.72x = 200,307,092,235,041.38
  5. Step 5: Solve for x
    x = 200,307,092,235,041.38/21,392,913.72
  6. Step 6: Final answer
    x = 9,363,244.99

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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.