Home / 13,341,962.34-18,413,882.46-8,447,638.56

Finding the Fourth Proportional to 13,341,962.34, 18,413,882.46 and 8,447,638.56

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Solution

The fourth proportional to 13,341,962.34, 18,413,882.46 and 8,447,638.56 is: 11,658,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,962.34 : 18,413,882.46 = 8,447,638.56 : x
  2. Step 2: Convert to fraction form
    13,341,962.34/18,413,882.46 = 8,447,638.56/x
  3. Step 3: Cross multiply
    13,341,962.34x = 18,413,882.46 × 8,447,638.56
  4. Step 4: Simplify right side
    13,341,962.34x = 155,553,823,508,403.69
  5. Step 5: Solve for x
    x = 155,553,823,508,403.69/13,341,962.34
  6. Step 6: Final answer
    x = 11,658,991.35

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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.