Home / 14,620,112.40-20,177,866.48-8,423,972.56

Finding the Fourth Proportional to 14,620,112.40, 20,177,866.48 and 8,423,972.56

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Solution

The fourth proportional to 14,620,112.40, 20,177,866.48 and 8,423,972.56 is: 11,626,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620,112.40 : 20,177,866.48 = 8,423,972.56 : x
  2. Step 2: Convert to fraction form
    14,620,112.40/20,177,866.48 = 8,423,972.56/x
  3. Step 3: Cross multiply
    14,620,112.40x = 20,177,866.48 × 8,423,972.56
  4. Step 4: Simplify right side
    14,620,112.40x = 169,977,793,546,863.81
  5. Step 5: Solve for x
    x = 169,977,793,546,863.81/14,620,112.40
  6. Step 6: Final answer
    x = 11,626,298.68

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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.