Home / 13,628,758.88-20,395,151.60-8,513,597.34

Finding the Fourth Proportional to 13,628,758.88, 20,395,151.60 and 8,513,597.34

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Solution

The fourth proportional to 13,628,758.88, 20,395,151.60 and 8,513,597.34 is: 12,740,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,758.88 : 20,395,151.60 = 8,513,597.34 : x
  2. Step 2: Convert to fraction form
    13,628,758.88/20,395,151.60 = 8,513,597.34/x
  3. Step 3: Cross multiply
    13,628,758.88x = 20,395,151.60 × 8,513,597.34
  4. Step 4: Simplify right side
    13,628,758.88x = 173,636,108,368,088.75
  5. Step 5: Solve for x
    x = 173,636,108,368,088.75/13,628,758.88
  6. Step 6: Final answer
    x = 12,740,419.72

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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.