Home / 14,566,664.28-20,104,020.54-8,128,551

Finding the Fourth Proportional to 14,566,664.28, 20,104,020.54 and 8,128,551

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Solution

The fourth proportional to 14,566,664.28, 20,104,020.54 and 8,128,551 is: 11,218,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566,664.28 : 20,104,020.54 = 8,128,551 : x
  2. Step 2: Convert to fraction form
    14,566,664.28/20,104,020.54 = 8,128,551/x
  3. Step 3: Cross multiply
    14,566,664.28x = 20,104,020.54 × 8,128,551
  4. Step 4: Simplify right side
    14,566,664.28x = 163,416,556,264,437.53
  5. Step 5: Solve for x
    x = 163,416,556,264,437.53/14,566,664.28
  6. Step 6: Final answer
    x = 11,218,529.73

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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.