Home / 12,230,666.10-18,345,999.15-5,038,497.90

Finding the Fourth Proportional to 12,230,666.10, 18,345,999.15 and 5,038,497.90

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Solution

The fourth proportional to 12,230,666.10, 18,345,999.15 and 5,038,497.90 is: 7,557,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,666.10 : 18,345,999.15 = 5,038,497.90 : x
  2. Step 2: Convert to fraction form
    12,230,666.10/18,345,999.15 = 5,038,497.90/x
  3. Step 3: Cross multiply
    12,230,666.10x = 18,345,999.15 × 5,038,497.90
  4. Step 4: Simplify right side
    12,230,666.10x = 92,436,278,190,676.78
  5. Step 5: Solve for x
    x = 92,436,278,190,676.78/12,230,666.10
  6. Step 6: Final answer
    x = 7,557,746.85

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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.