Home / 8,429,540.40-12,644,310.60-6,303,776.40

Finding the Fourth Proportional to 8,429,540.40, 12,644,310.60 and 6,303,776.40

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Solution

The fourth proportional to 8,429,540.40, 12,644,310.60 and 6,303,776.40 is: 9,455,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,540.40 : 12,644,310.60 = 6,303,776.40 : x
  2. Step 2: Convert to fraction form
    8,429,540.40/12,644,310.60 = 6,303,776.40/x
  3. Step 3: Cross multiply
    8,429,540.40x = 12,644,310.60 × 6,303,776.40
  4. Step 4: Simplify right side
    8,429,540.40x = 79,706,906,754,549.84
  5. Step 5: Solve for x
    x = 79,706,906,754,549.84/8,429,540.40
  6. Step 6: Final answer
    x = 9,455,664.60

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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.