Home / 36,931,118.31-50,971,271.85-21,470,171.02

Finding the Fourth Proportional to 36,931,118.31, 50,971,271.85 and 21,470,171.02

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Solution

The fourth proportional to 36,931,118.31, 50,971,271.85 and 21,470,171.02 is: 29,632,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931,118.31 : 50,971,271.85 = 21,470,171.02 : x
  2. Step 2: Convert to fraction form
    36,931,118.31/50,971,271.85 = 21,470,171.02/x
  3. Step 3: Cross multiply
    36,931,118.31x = 50,971,271.85 × 21,470,171.02
  4. Step 4: Simplify right side
    36,931,118.31x = 1,094,361,923,598,983.50
  5. Step 5: Solve for x
    x = 1,094,361,923,598,983.50/36,931,118.31
  6. Step 6: Final answer
    x = 29,632,515.17

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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.