Home / 14,979,976.25-20,686,643.96-14,163,869.52

Finding the Fourth Proportional to 14,979,976.25, 20,686,643.96 and 14,163,869.52

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Solution

The fourth proportional to 14,979,976.25, 20,686,643.96 and 14,163,869.52 is: 19,559,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,976.25 : 20,686,643.96 = 14,163,869.52 : x
  2. Step 2: Convert to fraction form
    14,979,976.25/20,686,643.96 = 14,163,869.52/x
  3. Step 3: Cross multiply
    14,979,976.25x = 20,686,643.96 × 14,163,869.52
  4. Step 4: Simplify right side
    14,979,976.25x = 293,002,925,856,136.12
  5. Step 5: Solve for x
    x = 293,002,925,856,136.12/14,979,976.25
  6. Step 6: Final answer
    x = 19,559,638.88

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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.