Home / 27,889,005.17-38,474,888.69-17,416,840.92

Finding the Fourth Proportional to 27,889,005.17, 38,474,888.69 and 17,416,840.92

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Solution

The fourth proportional to 27,889,005.17, 38,474,888.69 and 17,416,840.92 is: 24,027,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889,005.17 : 38,474,888.69 = 17,416,840.92 : x
  2. Step 2: Convert to fraction form
    27,889,005.17/38,474,888.69 = 17,416,840.92/x
  3. Step 3: Cross multiply
    27,889,005.17x = 38,474,888.69 × 17,416,840.92
  4. Step 4: Simplify right side
    27,889,005.17x = 670,111,015,728,437.25
  5. Step 5: Solve for x
    x = 670,111,015,728,437.25/27,889,005.17
  6. Step 6: Final answer
    x = 24,027,784.84

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1.5x scale

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.