Home / 13,770,790.31-20,655,437.94-4,185,421.50

Finding the Fourth Proportional to 13,770,790.31, 20,655,437.94 and 4,185,421.50

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Solution

The fourth proportional to 13,770,790.31, 20,655,437.94 and 4,185,421.50 is: 6,277,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,790.31 : 20,655,437.94 = 4,185,421.50 : x
  2. Step 2: Convert to fraction form
    13,770,790.31/20,655,437.94 = 4,185,421.50/x
  3. Step 3: Cross multiply
    13,770,790.31x = 20,655,437.94 × 4,185,421.50
  4. Step 4: Simplify right side
    13,770,790.31x = 86,451,714,035,867.75
  5. Step 5: Solve for x
    x = 86,451,714,035,867.75/13,770,790.31
  6. Step 6: Final answer
    x = 6,277,905.05

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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.