Home / 38,811,116.19-53,558,401.98-21,407,087.79

Finding the Fourth Proportional to 38,811,116.19, 53,558,401.98 and 21,407,087.79

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Solution

The fourth proportional to 38,811,116.19, 53,558,401.98 and 21,407,087.79 is: 29,541,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811,116.19 : 53,558,401.98 = 21,407,087.79 : x
  2. Step 2: Convert to fraction form
    38,811,116.19/53,558,401.98 = 21,407,087.79/x
  3. Step 3: Cross multiply
    38,811,116.19x = 53,558,401.98 × 21,407,087.79
  4. Step 4: Simplify right side
    38,811,116.19x = 1,146,529,413,077,969.75
  5. Step 5: Solve for x
    x = 1,146,529,413,077,969.75/38,811,116.19
  6. Step 6: Final answer
    x = 29,541,263.58

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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.