Home / 12,316,618.81-16,993,200.90-8,595,350.83

Finding the Fourth Proportional to 12,316,618.81, 16,993,200.90 and 8,595,350.83

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Solution

The fourth proportional to 12,316,618.81, 16,993,200.90 and 8,595,350.83 is: 11,858,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,618.81 : 16,993,200.90 = 8,595,350.83 : x
  2. Step 2: Convert to fraction form
    12,316,618.81/16,993,200.90 = 8,595,350.83/x
  3. Step 3: Cross multiply
    12,316,618.81x = 16,993,200.90 × 8,595,350.83
  4. Step 4: Simplify right side
    12,316,618.81x = 146,062,523,460,171.75
  5. Step 5: Solve for x
    x = 146,062,523,460,171.75/12,316,618.81
  6. Step 6: Final answer
    x = 11,858,978.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.