Home / 13,867,882.88-20,804,661.43-4,768,798.75

Finding the Fourth Proportional to 13,867,882.88, 20,804,661.43 and 4,768,798.75

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Solution

The fourth proportional to 13,867,882.88, 20,804,661.43 and 4,768,798.75 is: 7,154,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867,882.88 : 20,804,661.43 = 4,768,798.75 : x
  2. Step 2: Convert to fraction form
    13,867,882.88/20,804,661.43 = 4,768,798.75/x
  3. Step 3: Cross multiply
    13,867,882.88x = 20,804,661.43 × 4,768,798.75
  4. Step 4: Simplify right side
    13,867,882.88x = 99,213,243,501,474.28
  5. Step 5: Solve for x
    x = 99,213,243,501,474.28/13,867,882.88
  6. Step 6: Final answer
    x = 7,154,173.74

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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.