Home / 8,166,916.20-12,250,374.30-5,615,999.40

Finding the Fourth Proportional to 8,166,916.20, 12,250,374.30 and 5,615,999.40

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Solution

The fourth proportional to 8,166,916.20, 12,250,374.30 and 5,615,999.40 is: 8,423,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166,916.20 : 12,250,374.30 = 5,615,999.40 : x
  2. Step 2: Convert to fraction form
    8,166,916.20/12,250,374.30 = 5,615,999.40/x
  3. Step 3: Cross multiply
    8,166,916.20x = 12,250,374.30 × 5,615,999.40
  4. Step 4: Simplify right side
    8,166,916.20x = 68,798,094,718,575.43
  5. Step 5: Solve for x
    x = 68,798,094,718,575.43/8,166,916.20
  6. Step 6: Final answer
    x = 8,423,999.10

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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.