Home / 12,555,422.20-18,838,382.10-4,038,369.40

Finding the Fourth Proportional to 12,555,422.20, 18,838,382.10 and 4,038,369.40

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Solution

The fourth proportional to 12,555,422.20, 18,838,382.10 and 4,038,369.40 is: 6,059,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,422.20 : 18,838,382.10 = 4,038,369.40 : x
  2. Step 2: Convert to fraction form
    12,555,422.20/18,838,382.10 = 4,038,369.40/x
  3. Step 3: Cross multiply
    12,555,422.20x = 18,838,382.10 × 4,038,369.40
  4. Step 4: Simplify right side
    12,555,422.20x = 76,076,345,818,147.75
  5. Step 5: Solve for x
    x = 76,076,345,818,147.75/12,555,422.20
  6. Step 6: Final answer
    x = 6,059,242.34

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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.