Home / 13,745,840.40-20,613,511.80-4,158,032.40

Finding the Fourth Proportional to 13,745,840.40, 20,613,511.80 and 4,158,032.40

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Solution

The fourth proportional to 13,745,840.40, 20,613,511.80 and 4,158,032.40 is: 6,235,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,840.40 : 20,613,511.80 = 4,158,032.40 : x
  2. Step 2: Convert to fraction form
    13,745,840.40/20,613,511.80 = 4,158,032.40/x
  3. Step 3: Cross multiply
    13,745,840.40x = 20,613,511.80 × 4,158,032.40
  4. Step 4: Simplify right side
    13,745,840.40x = 85,711,649,942,182.33
  5. Step 5: Solve for x
    x = 85,711,649,942,182.33/13,745,840.40
  6. Step 6: Final answer
    x = 6,235,460.87

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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.