Home / 37,916,164.80-56,778,019.20-20,857,564.80

Finding the Fourth Proportional to 37,916,164.80, 56,778,019.20 and 20,857,564.80

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Solution

The fourth proportional to 37,916,164.80, 56,778,019.20 and 20,857,564.80 is: 31,233,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916,164.80 : 56,778,019.20 = 20,857,564.80 : x
  2. Step 2: Convert to fraction form
    37,916,164.80/56,778,019.20 = 20,857,564.80/x
  3. Step 3: Cross multiply
    37,916,164.80x = 56,778,019.20 × 20,857,564.80
  4. Step 4: Simplify right side
    37,916,164.80x = 1,184,251,214,679,644.25
  5. Step 5: Solve for x
    x = 1,184,251,214,679,644.25/37,916,164.80
  6. Step 6: Final answer
    x = 31,233,412.48

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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.