Home / 38,459,832.66-53,074,427.58-21,939,927.84

Finding the Fourth Proportional to 38,459,832.66, 53,074,427.58 and 21,939,927.84

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Solution

The fourth proportional to 38,459,832.66, 53,074,427.58 and 21,939,927.84 is: 30,277,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,832.66 : 53,074,427.58 = 21,939,927.84 : x
  2. Step 2: Convert to fraction form
    38,459,832.66/53,074,427.58 = 21,939,927.84/x
  3. Step 3: Cross multiply
    38,459,832.66x = 53,074,427.58 × 21,939,927.84
  4. Step 4: Simplify right side
    38,459,832.66x = 1,164,449,111,254,505.75
  5. Step 5: Solve for x
    x = 1,164,449,111,254,505.75/38,459,832.66
  6. Step 6: Final answer
    x = 30,277,019.70

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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.