Home / 12,363,133.86-18,540,905.26-8,549,463.42

Finding the Fourth Proportional to 12,363,133.86, 18,540,905.26 and 8,549,463.42

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Solution

The fourth proportional to 12,363,133.86, 18,540,905.26 and 8,549,463.42 is: 12,821,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,133.86 : 18,540,905.26 = 8,549,463.42 : x
  2. Step 2: Convert to fraction form
    12,363,133.86/18,540,905.26 = 8,549,463.42/x
  3. Step 3: Cross multiply
    12,363,133.86x = 18,540,905.26 × 8,549,463.42
  4. Step 4: Simplify right side
    12,363,133.86x = 158,514,791,294,055.59
  5. Step 5: Solve for x
    x = 158,514,791,294,055.59/12,363,133.86
  6. Step 6: Final answer
    x = 12,821,570.41

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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.