Home / 12,269,153.20-18,403,729.80-3,294,612.40

Finding the Fourth Proportional to 12,269,153.20, 18,403,729.80 and 3,294,612.40

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Solution

The fourth proportional to 12,269,153.20, 18,403,729.80 and 3,294,612.40 is: 4,941,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,153.20 : 18,403,729.80 = 3,294,612.40 : x
  2. Step 2: Convert to fraction form
    12,269,153.20/18,403,729.80 = 3,294,612.40/x
  3. Step 3: Cross multiply
    12,269,153.20x = 18,403,729.80 × 3,294,612.40
  4. Step 4: Simplify right side
    12,269,153.20x = 60,633,156,405,329.52
  5. Step 5: Solve for x
    x = 60,633,156,405,329.52/12,269,153.20
  6. Step 6: Final answer
    x = 4,941,918.60

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1.5x scale

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.