Home / 31,440,164.70-47,048,272.65-21,810,366.30

Finding the Fourth Proportional to 31,440,164.70, 47,048,272.65 and 21,810,366.30

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Solution

The fourth proportional to 31,440,164.70, 47,048,272.65 and 21,810,366.30 is: 32,637,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440,164.70 : 47,048,272.65 = 21,810,366.30 : x
  2. Step 2: Convert to fraction form
    31,440,164.70/47,048,272.65 = 21,810,366.30/x
  3. Step 3: Cross multiply
    31,440,164.70x = 47,048,272.65 × 21,810,366.30
  4. Step 4: Simplify right side
    31,440,164.70x = 1,026,140,060,278,771.75
  5. Step 5: Solve for x
    x = 1,026,140,060,278,771.75/31,440,164.70
  6. Step 6: Final answer
    x = 32,637,871.65

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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.