Home / 13,676,886.40-20,515,329.60-5,697,673.60

Finding the Fourth Proportional to 13,676,886.40, 20,515,329.60 and 5,697,673.60

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Solution

The fourth proportional to 13,676,886.40, 20,515,329.60 and 5,697,673.60 is: 8,546,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,886.40 : 20,515,329.60 = 5,697,673.60 : x
  2. Step 2: Convert to fraction form
    13,676,886.40/20,515,329.60 = 5,697,673.60/x
  3. Step 3: Cross multiply
    13,676,886.40x = 20,515,329.60 × 5,697,673.60
  4. Step 4: Simplify right side
    13,676,886.40x = 116,889,651,857,218.56
  5. Step 5: Solve for x
    x = 116,889,651,857,218.56/13,676,886.40
  6. Step 6: Final answer
    x = 8,546,510.40

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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.