Home / 27,551,661.72-38,021,641.86-15,163,181.52

Finding the Fourth Proportional to 27,551,661.72, 38,021,641.86 and 15,163,181.52

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Solution

The fourth proportional to 27,551,661.72, 38,021,641.86 and 15,163,181.52 is: 20,925,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551,661.72 : 38,021,641.86 = 15,163,181.52 : x
  2. Step 2: Convert to fraction form
    27,551,661.72/38,021,641.86 = 15,163,181.52/x
  3. Step 3: Cross multiply
    27,551,661.72x = 38,021,641.86 × 15,163,181.52
  4. Step 4: Simplify right side
    27,551,661.72x = 576,529,057,211,610.38
  5. Step 5: Solve for x
    x = 576,529,057,211,610.38/27,551,661.72
  6. Step 6: Final answer
    x = 20,925,382.40

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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.