Home / 14,644,636.86-20,209,598.42-8,118,249.78

Finding the Fourth Proportional to 14,644,636.86, 20,209,598.42 and 8,118,249.78

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Solution

The fourth proportional to 14,644,636.86, 20,209,598.42 and 8,118,249.78 is: 11,203,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644,636.86 : 20,209,598.42 = 8,118,249.78 : x
  2. Step 2: Convert to fraction form
    14,644,636.86/20,209,598.42 = 8,118,249.78/x
  3. Step 3: Cross multiply
    14,644,636.86x = 20,209,598.42 × 8,118,249.78
  4. Step 4: Simplify right side
    14,644,636.86x = 164,066,567,927,053.38
  5. Step 5: Solve for x
    x = 164,066,567,927,053.38/14,644,636.86
  6. Step 6: Final answer
    x = 11,203,184.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.