Home / 12,455,770.10-18,683,655.15-6,078,478.10

Finding the Fourth Proportional to 12,455,770.10, 18,683,655.15 and 6,078,478.10

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Solution

The fourth proportional to 12,455,770.10, 18,683,655.15 and 6,078,478.10 is: 9,117,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,770.10 : 18,683,655.15 = 6,078,478.10 : x
  2. Step 2: Convert to fraction form
    12,455,770.10/18,683,655.15 = 6,078,478.10/x
  3. Step 3: Cross multiply
    12,455,770.10x = 18,683,655.15 × 6,078,478.10
  4. Step 4: Simplify right side
    12,455,770.10x = 113,568,188,657,227.20
  5. Step 5: Solve for x
    x = 113,568,188,657,227.20/12,455,770.10
  6. Step 6: Final answer
    x = 9,117,717.15

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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.