Home / 20,386,176.72-30,558,007.80-8,264,008.32

Finding the Fourth Proportional to 20,386,176.72, 30,558,007.80 and 8,264,008.32

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Solution

The fourth proportional to 20,386,176.72, 30,558,007.80 and 8,264,008.32 is: 12,387,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,176.72 : 30,558,007.80 = 8,264,008.32 : x
  2. Step 2: Convert to fraction form
    20,386,176.72/30,558,007.80 = 8,264,008.32/x
  3. Step 3: Cross multiply
    20,386,176.72x = 30,558,007.80 × 8,264,008.32
  4. Step 4: Simplify right side
    20,386,176.72x = 252,531,630,701,824.91
  5. Step 5: Solve for x
    x = 252,531,630,701,824.91/20,386,176.72
  6. Step 6: Final answer
    x = 12,387,395.35

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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.