Home / 14,566,666.28-20,104,023.30-8,128,553

Finding the Fourth Proportional to 14,566,666.28, 20,104,023.30 and 8,128,553

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Solution

The fourth proportional to 14,566,666.28, 20,104,023.30 and 8,128,553 is: 11,218,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566,666.28 : 20,104,023.30 = 8,128,553 : x
  2. Step 2: Convert to fraction form
    14,566,666.28/20,104,023.30 = 8,128,553/x
  3. Step 3: Cross multiply
    14,566,666.28x = 20,104,023.30 × 8,128,553
  4. Step 4: Simplify right side
    14,566,666.28x = 163,416,618,907,284.91
  5. Step 5: Solve for x
    x = 163,416,618,907,284.91/14,566,666.28
  6. Step 6: Final answer
    x = 11,218,532.49

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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.