Home / 38,765,122.48-53,496,227.82-21,362,090.50

Finding the Fourth Proportional to 38,765,122.48, 53,496,227.82 and 21,362,090.50

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Solution

The fourth proportional to 38,765,122.48, 53,496,227.82 and 21,362,090.50 is: 29,479,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,122.48 : 53,496,227.82 = 21,362,090.50 : x
  2. Step 2: Convert to fraction form
    38,765,122.48/53,496,227.82 = 21,362,090.50/x
  3. Step 3: Cross multiply
    38,765,122.48x = 53,496,227.82 × 21,362,090.50
  4. Step 4: Simplify right side
    38,765,122.48x = 1,142,791,260,099,457.75
  5. Step 5: Solve for x
    x = 1,142,791,260,099,457.75/38,765,122.48
  6. Step 6: Final answer
    x = 29,479,882.61

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1.5x scale

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.