Home / 13,413,749.40-20,120,624.10-4,892,978.70

Finding the Fourth Proportional to 13,413,749.40, 20,120,624.10 and 4,892,978.70

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Solution

The fourth proportional to 13,413,749.40, 20,120,624.10 and 4,892,978.70 is: 7,339,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,749.40 : 20,120,624.10 = 4,892,978.70 : x
  2. Step 2: Convert to fraction form
    13,413,749.40/20,120,624.10 = 4,892,978.70/x
  3. Step 3: Cross multiply
    13,413,749.40x = 20,120,624.10 × 4,892,978.70
  4. Step 4: Simplify right side
    13,413,749.40x = 98,449,785,152,006.69
  5. Step 5: Solve for x
    x = 98,449,785,152,006.69/13,413,749.40
  6. Step 6: Final answer
    x = 7,339,468.05

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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.