Home / 28,614,621.76-42,921,944.24-7,049,643.36

Finding the Fourth Proportional to 28,614,621.76, 42,921,944.24 and 7,049,643.36

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Solution

The fourth proportional to 28,614,621.76, 42,921,944.24 and 7,049,643.36 is: 10,574,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614,621.76 : 42,921,944.24 = 7,049,643.36 : x
  2. Step 2: Convert to fraction form
    28,614,621.76/42,921,944.24 = 7,049,643.36/x
  3. Step 3: Cross multiply
    28,614,621.76x = 42,921,944.24 × 7,049,643.36
  4. Step 4: Simplify right side
    28,614,621.76x = 302,584,399,209,806.25
  5. Step 5: Solve for x
    x = 302,584,399,209,806.25/28,614,621.76
  6. Step 6: Final answer
    x = 10,574,467.90

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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.