Home / 13,428,072.22-20,146,038.77-4,329,986.83

Finding the Fourth Proportional to 13,428,072.22, 20,146,038.77 and 4,329,986.83

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Solution

The fourth proportional to 13,428,072.22, 20,146,038.77 and 4,329,986.83 is: 6,496,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,072.22 : 20,146,038.77 = 4,329,986.83 : x
  2. Step 2: Convert to fraction form
    13,428,072.22/20,146,038.77 = 4,329,986.83/x
  3. Step 3: Cross multiply
    13,428,072.22x = 20,146,038.77 × 4,329,986.83
  4. Step 4: Simplify right side
    13,428,072.22x = 87,232,082,550,769.41
  5. Step 5: Solve for x
    x = 87,232,082,550,769.41/13,428,072.22
  6. Step 6: Final answer
    x = 6,496,247.65

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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.