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Finding the Fourth Proportional to 8,930,496.40, 13,395,744.60 and 8,867,510.80

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Solution

The fourth proportional to 8,930,496.40, 13,395,744.60 and 8,867,510.80 is: 13,301,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930,496.40 : 13,395,744.60 = 8,867,510.80 : x
  2. Step 2: Convert to fraction form
    8,930,496.40/13,395,744.60 = 8,867,510.80/x
  3. Step 3: Cross multiply
    8,930,496.40x = 13,395,744.60 × 8,867,510.80
  4. Step 4: Simplify right side
    8,930,496.40x = 118,786,909,914,541.69
  5. Step 5: Solve for x
    x = 118,786,909,914,541.69/8,930,496.40
  6. Step 6: Final answer
    x = 13,301,266.20

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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.