Home / 14,837,675.56-20,521,071.32-13,309,225

Finding the Fourth Proportional to 14,837,675.56, 20,521,071.32 and 13,309,225

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Solution

The fourth proportional to 14,837,675.56, 20,521,071.32 and 13,309,225 is: 18,407,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837,675.56 : 20,521,071.32 = 13,309,225 : x
  2. Step 2: Convert to fraction form
    14,837,675.56/20,521,071.32 = 13,309,225/x
  3. Step 3: Cross multiply
    14,837,675.56x = 20,521,071.32 × 13,309,225
  4. Step 4: Simplify right side
    14,837,675.56x = 273,119,555,438,927
  5. Step 5: Solve for x
    x = 273,119,555,438,927/14,837,675.56
  6. Step 6: Final answer
    x = 18,407,165.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.