Home / 14,991,085.01-20,687,743.89-8,115,550.67

Finding the Fourth Proportional to 14,991,085.01, 20,687,743.89 and 8,115,550.67

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Solution

The fourth proportional to 14,991,085.01, 20,687,743.89 and 8,115,550.67 is: 11,199,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,085.01 : 20,687,743.89 = 8,115,550.67 : x
  2. Step 2: Convert to fraction form
    14,991,085.01/20,687,743.89 = 8,115,550.67/x
  3. Step 3: Cross multiply
    14,991,085.01x = 20,687,743.89 × 8,115,550.67
  4. Step 4: Simplify right side
    14,991,085.01x = 167,892,433,683,839.19
  5. Step 5: Solve for x
    x = 167,892,433,683,839.19/14,991,085.01
  6. Step 6: Final answer
    x = 11,199,485.14

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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.