Home / 14,200,913.60-21,288,928.80-8,515,102.40

Finding the Fourth Proportional to 14,200,913.60, 21,288,928.80 and 8,515,102.40

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Solution

The fourth proportional to 14,200,913.60, 21,288,928.80 and 8,515,102.40 is: 12,765,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,913.60 : 21,288,928.80 = 8,515,102.40 : x
  2. Step 2: Convert to fraction form
    14,200,913.60/21,288,928.80 = 8,515,102.40/x
  3. Step 3: Cross multiply
    14,200,913.60x = 21,288,928.80 × 8,515,102.40
  4. Step 4: Simplify right side
    14,200,913.60x = 181,277,408,718,309.12
  5. Step 5: Solve for x
    x = 181,277,408,718,309.12/14,200,913.60
  6. Step 6: Final answer
    x = 12,765,193.41

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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.