Home / 15,423,351.86-21,284,227.59-8,548,277.78

Finding the Fourth Proportional to 15,423,351.86, 21,284,227.59 and 8,548,277.78

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Solution

The fourth proportional to 15,423,351.86, 21,284,227.59 and 8,548,277.78 is: 11,796,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,351.86 : 21,284,227.59 = 8,548,277.78 : x
  2. Step 2: Convert to fraction form
    15,423,351.86/21,284,227.59 = 8,548,277.78/x
  3. Step 3: Cross multiply
    15,423,351.86x = 21,284,227.59 × 8,548,277.78
  4. Step 4: Simplify right side
    15,423,351.86x = 181,943,489,793,214.50
  5. Step 5: Solve for x
    x = 181,943,489,793,214.50/15,423,351.86
  6. Step 6: Final answer
    x = 11,796,624.46

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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.