Home / 40,861,800.81-61,274,256.30-11,708,971.74

Finding the Fourth Proportional to 40,861,800.81, 61,274,256.30 and 11,708,971.74

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Solution

The fourth proportional to 40,861,800.81, 61,274,256.30 and 11,708,971.74 is: 17,558,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861,800.81 : 61,274,256.30 = 11,708,971.74 : x
  2. Step 2: Convert to fraction form
    40,861,800.81/61,274,256.30 = 11,708,971.74/x
  3. Step 3: Cross multiply
    40,861,800.81x = 61,274,256.30 × 11,708,971.74
  4. Step 4: Simplify right side
    40,861,800.81x = 717,458,535,406,217
  5. Step 5: Solve for x
    x = 717,458,535,406,217/40,861,800.81
  6. Step 6: Final answer
    x = 17,558,172.21

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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.