Home / 9,868,011.52-13,620,131.84-6,424,256

Finding the Fourth Proportional to 9,868,011.52, 13,620,131.84 and 6,424,256

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Solution

The fourth proportional to 9,868,011.52, 13,620,131.84 and 6,424,256 is: 8,866,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,011.52 : 13,620,131.84 = 6,424,256 : x
  2. Step 2: Convert to fraction form
    9,868,011.52/13,620,131.84 = 6,424,256/x
  3. Step 3: Cross multiply
    9,868,011.52x = 13,620,131.84 × 6,424,256
  4. Step 4: Simplify right side
    9,868,011.52x = 87,499,213,693,911.03
  5. Step 5: Solve for x
    x = 87,499,213,693,911.03/9,868,011.52
  6. Step 6: Final answer
    x = 8,866,954.96

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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.