Home / 13,133,047.90-19,699,571.85-12,853,111.90

Finding the Fourth Proportional to 13,133,047.90, 19,699,571.85 and 12,853,111.90

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Solution

The fourth proportional to 13,133,047.90, 19,699,571.85 and 12,853,111.90 is: 19,279,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,047.90 : 19,699,571.85 = 12,853,111.90 : x
  2. Step 2: Convert to fraction form
    13,133,047.90/19,699,571.85 = 12,853,111.90/x
  3. Step 3: Cross multiply
    13,133,047.90x = 19,699,571.85 × 12,853,111.90
  4. Step 4: Simplify right side
    13,133,047.90x = 253,200,801,370,140.03
  5. Step 5: Solve for x
    x = 253,200,801,370,140.03/13,133,047.90
  6. Step 6: Final answer
    x = 19,279,667.85

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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.