Home / 13,972,709.40-20,917,073.70-8,290,008.60

Finding the Fourth Proportional to 13,972,709.40, 20,917,073.70 and 8,290,008.60

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Solution

The fourth proportional to 13,972,709.40, 20,917,073.70 and 8,290,008.60 is: 12,410,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972,709.40 : 20,917,073.70 = 8,290,008.60 : x
  2. Step 2: Convert to fraction form
    13,972,709.40/20,917,073.70 = 8,290,008.60/x
  3. Step 3: Cross multiply
    13,972,709.40x = 20,917,073.70 × 8,290,008.60
  4. Step 4: Simplify right side
    13,972,709.40x = 173,402,720,859,833.81
  5. Step 5: Solve for x
    x = 173,402,720,859,833.81/13,972,709.40
  6. Step 6: Final answer
    x = 12,410,100.00

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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.