Home / 9,789,815.40-14,684,723.10-8,341,146.60

Finding the Fourth Proportional to 9,789,815.40, 14,684,723.10 and 8,341,146.60

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Solution

The fourth proportional to 9,789,815.40, 14,684,723.10 and 8,341,146.60 is: 12,511,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,815.40 : 14,684,723.10 = 8,341,146.60 : x
  2. Step 2: Convert to fraction form
    9,789,815.40/14,684,723.10 = 8,341,146.60/x
  3. Step 3: Cross multiply
    9,789,815.40x = 14,684,723.10 × 8,341,146.60
  4. Step 4: Simplify right side
    9,789,815.40x = 122,487,428,157,506.45
  5. Step 5: Solve for x
    x = 122,487,428,157,506.45/9,789,815.40
  6. Step 6: Final answer
    x = 12,511,719.90

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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.