Home / 8,549,266.20-12,795,905.70-6,645,701.40

Finding the Fourth Proportional to 8,549,266.20, 12,795,905.70 and 6,645,701.40

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Solution

The fourth proportional to 8,549,266.20, 12,795,905.70 and 6,645,701.40 is: 9,946,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549,266.20 : 12,795,905.70 = 6,645,701.40 : x
  2. Step 2: Convert to fraction form
    8,549,266.20/12,795,905.70 = 6,645,701.40/x
  3. Step 3: Cross multiply
    8,549,266.20x = 12,795,905.70 × 6,645,701.40
  4. Step 4: Simplify right side
    8,549,266.20x = 85,037,768,424,757.98
  5. Step 5: Solve for x
    x = 85,037,768,424,757.98/8,549,266.20
  6. Step 6: Final answer
    x = 9,946,791.51

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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.