Home / 15,314,611.26-21,134,305.26-8,439,339.36

Finding the Fourth Proportional to 15,314,611.26, 21,134,305.26 and 8,439,339.36

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Solution

The fourth proportional to 15,314,611.26, 21,134,305.26 and 8,439,339.36 is: 11,646,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,611.26 : 21,134,305.26 = 8,439,339.36 : x
  2. Step 2: Convert to fraction form
    15,314,611.26/21,134,305.26 = 8,439,339.36/x
  3. Step 3: Cross multiply
    15,314,611.26x = 21,134,305.26 × 8,439,339.36
  4. Step 4: Simplify right side
    15,314,611.26x = 178,359,574,226,973.03
  5. Step 5: Solve for x
    x = 178,359,574,226,973.03/15,314,611.26
  6. Step 6: Final answer
    x = 11,646,366.41

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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.