Home / 13,698,167.75-20,549,895.18-4,473,660.36

Finding the Fourth Proportional to 13,698,167.75, 20,549,895.18 and 4,473,660.36

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Solution

The fourth proportional to 13,698,167.75, 20,549,895.18 and 4,473,660.36 is: 6,711,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,167.75 : 20,549,895.18 = 4,473,660.36 : x
  2. Step 2: Convert to fraction form
    13,698,167.75/20,549,895.18 = 4,473,660.36/x
  3. Step 3: Cross multiply
    13,698,167.75x = 20,549,895.18 × 4,473,660.36
  4. Step 4: Simplify right side
    13,698,167.75x = 91,933,251,468,921.08
  5. Step 5: Solve for x
    x = 91,933,251,468,921.08/13,698,167.75
  6. Step 6: Final answer
    x = 6,711,353.89

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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.