Home / 21,003,239.70-31,504,859.55-5,046,887.70

Finding the Fourth Proportional to 21,003,239.70, 31,504,859.55 and 5,046,887.70

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Solution

The fourth proportional to 21,003,239.70, 31,504,859.55 and 5,046,887.70 is: 7,570,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,239.70 : 31,504,859.55 = 5,046,887.70 : x
  2. Step 2: Convert to fraction form
    21,003,239.70/31,504,859.55 = 5,046,887.70/x
  3. Step 3: Cross multiply
    21,003,239.70x = 31,504,859.55 × 5,046,887.70
  4. Step 4: Simplify right side
    21,003,239.70x = 159,001,488,153,122.53
  5. Step 5: Solve for x
    x = 159,001,488,153,122.53/21,003,239.70
  6. Step 6: Final answer
    x = 7,570,331.55

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1.5x scale

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.