Home / 13,903,691.68-20,861,292.90-7,506,420.16

Finding the Fourth Proportional to 13,903,691.68, 20,861,292.90 and 7,506,420.16

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Solution

The fourth proportional to 13,903,691.68, 20,861,292.90 and 7,506,420.16 is: 11,262,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,691.68 : 20,861,292.90 = 7,506,420.16 : x
  2. Step 2: Convert to fraction form
    13,903,691.68/20,861,292.90 = 7,506,420.16/x
  3. Step 3: Cross multiply
    13,903,691.68x = 20,861,292.90 × 7,506,420.16
  4. Step 4: Simplify right side
    13,903,691.68x = 156,593,629,588,224.84
  5. Step 5: Solve for x
    x = 156,593,629,588,224.84/13,903,691.68
  6. Step 6: Final answer
    x = 11,262,737.49

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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.