Home / 38,578,805.30-53,238,730.73-21,833,240.93

Finding the Fourth Proportional to 38,578,805.30, 53,238,730.73 and 21,833,240.93

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Solution

The fourth proportional to 38,578,805.30, 53,238,730.73 and 21,833,240.93 is: 30,129,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578,805.30 : 53,238,730.73 = 21,833,240.93 : x
  2. Step 2: Convert to fraction form
    38,578,805.30/53,238,730.73 = 21,833,240.93/x
  3. Step 3: Cross multiply
    38,578,805.30x = 53,238,730.73 × 21,833,240.93
  4. Step 4: Simplify right side
    38,578,805.30x = 1,162,374,035,082,050
  5. Step 5: Solve for x
    x = 1,162,374,035,082,050/38,578,805.30
  6. Step 6: Final answer
    x = 30,129,860.84

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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.