Home / 10,201,614.30-15,302,421.45-7,889,845.95

Finding the Fourth Proportional to 10,201,614.30, 15,302,421.45 and 7,889,845.95

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Solution

The fourth proportional to 10,201,614.30, 15,302,421.45 and 7,889,845.95 is: 11,834,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201,614.30 : 15,302,421.45 = 7,889,845.95 : x
  2. Step 2: Convert to fraction form
    10,201,614.30/15,302,421.45 = 7,889,845.95/x
  3. Step 3: Cross multiply
    10,201,614.30x = 15,302,421.45 × 7,889,845.95
  4. Step 4: Simplify right side
    10,201,614.30x = 120,733,747,902,475.62
  5. Step 5: Solve for x
    x = 120,733,747,902,475.62/10,201,614.30
  6. Step 6: Final answer
    x = 11,834,768.93

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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.