Home / 38,683,313.51-53,380,870.49-21,276,849.29

Finding the Fourth Proportional to 38,683,313.51, 53,380,870.49 and 21,276,849.29

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Solution

The fourth proportional to 38,683,313.51, 53,380,870.49 and 21,276,849.29 is: 29,360,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,683,313.51 : 53,380,870.49 = 21,276,849.29 : x
  2. Step 2: Convert to fraction form
    38,683,313.51/53,380,870.49 = 21,276,849.29/x
  3. Step 3: Cross multiply
    38,683,313.51x = 53,380,870.49 × 21,276,849.29
  4. Step 4: Simplify right side
    38,683,313.51x = 1,135,776,736,171,026.25
  5. Step 5: Solve for x
    x = 1,135,776,736,171,026.25/38,683,313.51
  6. Step 6: Final answer
    x = 29,360,895.78

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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.