Home / 38,739,468.12-53,462,883.86-21,335,808.93

Finding the Fourth Proportional to 38,739,468.12, 53,462,883.86 and 21,335,808.93

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Solution

The fourth proportional to 38,739,468.12, 53,462,883.86 and 21,335,808.93 is: 29,444,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,468.12 : 53,462,883.86 = 21,335,808.93 : x
  2. Step 2: Convert to fraction form
    38,739,468.12/53,462,883.86 = 21,335,808.93/x
  3. Step 3: Cross multiply
    38,739,468.12x = 53,462,883.86 × 21,335,808.93
  4. Step 4: Simplify right side
    38,739,468.12x = 1,140,673,874,777,061.75
  5. Step 5: Solve for x
    x = 1,140,673,874,777,061.75/38,739,468.12
  6. Step 6: Final answer
    x = 29,444,747.96

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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.