Home / 18,995,870.42-28,493,406.03-4,619,011.94

Finding the Fourth Proportional to 18,995,870.42, 28,493,406.03 and 4,619,011.94

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Solution

The fourth proportional to 18,995,870.42, 28,493,406.03 and 4,619,011.94 is: 6,928,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995,870.42 : 28,493,406.03 = 4,619,011.94 : x
  2. Step 2: Convert to fraction form
    18,995,870.42/28,493,406.03 = 4,619,011.94/x
  3. Step 3: Cross multiply
    18,995,870.42x = 28,493,406.03 × 4,619,011.94
  4. Step 4: Simplify right side
    18,995,870.42x = 131,611,382,663,838.02
  5. Step 5: Solve for x
    x = 131,611,382,663,838.02/18,995,870.42
  6. Step 6: Final answer
    x = 6,928,420.74

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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.