Home / 11,688,265.78-16,129,778.88-6,531,627.04

Finding the Fourth Proportional to 11,688,265.78, 16,129,778.88 and 6,531,627.04

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Solution

The fourth proportional to 11,688,265.78, 16,129,778.88 and 6,531,627.04 is: 9,013,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,265.78 : 16,129,778.88 = 6,531,627.04 : x
  2. Step 2: Convert to fraction form
    11,688,265.78/16,129,778.88 = 6,531,627.04/x
  3. Step 3: Cross multiply
    11,688,265.78x = 16,129,778.88 × 6,531,627.04
  4. Step 4: Simplify right side
    11,688,265.78x = 105,353,699,881,828.92
  5. Step 5: Solve for x
    x = 105,353,699,881,828.92/11,688,265.78
  6. Step 6: Final answer
    x = 9,013,629.73

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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.