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Finding the Fourth Proportional to 36,692,571.40, 55,038,662.70 and 9,398,811.40

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Solution

The fourth proportional to 36,692,571.40, 55,038,662.70 and 9,398,811.40 is: 14,098,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,692,571.40 : 55,038,662.70 = 9,398,811.40 : x
  2. Step 2: Convert to fraction form
    36,692,571.40/55,038,662.70 = 9,398,811.40/x
  3. Step 3: Cross multiply
    36,692,571.40x = 55,038,662.70 × 9,398,811.40
  4. Step 4: Simplify right side
    36,692,571.40x = 517,298,010,425,514.81
  5. Step 5: Solve for x
    x = 517,298,010,425,514.81/36,692,571.40
  6. Step 6: Final answer
    x = 14,098,167.30

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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.