Home / 19,067,426.30-28,601,139.45-10,109,474.30

Finding the Fourth Proportional to 19,067,426.30, 28,601,139.45 and 10,109,474.30

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Solution

The fourth proportional to 19,067,426.30, 28,601,139.45 and 10,109,474.30 is: 15,164,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067,426.30 : 28,601,139.45 = 10,109,474.30 : x
  2. Step 2: Convert to fraction form
    19,067,426.30/28,601,139.45 = 10,109,474.30/x
  3. Step 3: Cross multiply
    19,067,426.30x = 28,601,139.45 × 10,109,474.30
  4. Step 4: Simplify right side
    19,067,426.30x = 289,142,484,220,491.12
  5. Step 5: Solve for x
    x = 289,142,484,220,491.12/19,067,426.30
  6. Step 6: Final answer
    x = 15,164,211.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.