Home / 37,921,242.80-56,785,636.20-20,862,642.80

Finding the Fourth Proportional to 37,921,242.80, 56,785,636.20 and 20,862,642.80

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Solution

The fourth proportional to 37,921,242.80, 56,785,636.20 and 20,862,642.80 is: 31,241,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921,242.80 : 56,785,636.20 = 20,862,642.80 : x
  2. Step 2: Convert to fraction form
    37,921,242.80/56,785,636.20 = 20,862,642.80/x
  3. Step 3: Cross multiply
    37,921,242.80x = 56,785,636.20 × 20,862,642.80
  4. Step 4: Simplify right side
    37,921,242.80x = 1,184,698,444,211,349.50
  5. Step 5: Solve for x
    x = 1,184,698,444,211,349.50/37,921,242.80
  6. Step 6: Final answer
    x = 31,241,023.68

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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.