Home / 18,728,613.21-28,095,168.78-6,595,567.32

Finding the Fourth Proportional to 18,728,613.21, 28,095,168.78 and 6,595,567.32

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Solution

The fourth proportional to 18,728,613.21, 28,095,168.78 and 6,595,567.32 is: 9,894,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,613.21 : 28,095,168.78 = 6,595,567.32 : x
  2. Step 2: Convert to fraction form
    18,728,613.21/28,095,168.78 = 6,595,567.32/x
  3. Step 3: Cross multiply
    18,728,613.21x = 28,095,168.78 × 6,595,567.32
  4. Step 4: Simplify right side
    18,728,613.21x = 185,303,577,055,252.28
  5. Step 5: Solve for x
    x = 185,303,577,055,252.28/18,728,613.21
  6. Step 6: Final answer
    x = 9,894,142.99

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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.