Home / 20,294,768.57-28,008,868.06-12,347,875.14

Finding the Fourth Proportional to 20,294,768.57, 28,008,868.06 and 12,347,875.14

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Solution

The fourth proportional to 20,294,768.57, 28,008,868.06 and 12,347,875.14 is: 17,041,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294,768.57 : 28,008,868.06 = 12,347,875.14 : x
  2. Step 2: Convert to fraction form
    20,294,768.57/28,008,868.06 = 12,347,875.14/x
  3. Step 3: Cross multiply
    20,294,768.57x = 28,008,868.06 × 12,347,875.14
  4. Step 4: Simplify right side
    20,294,768.57x = 345,850,005,553,238.56
  5. Step 5: Solve for x
    x = 345,850,005,553,238.56/20,294,768.57
  6. Step 6: Final answer
    x = 17,041,337.74

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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.