Home / 21,557,599.92-29,745,507.66-12,264,627.46

Finding the Fourth Proportional to 21,557,599.92, 29,745,507.66 and 12,264,627.46

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Solution

The fourth proportional to 21,557,599.92, 29,745,507.66 and 12,264,627.46 is: 16,922,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,599.92 : 29,745,507.66 = 12,264,627.46 : x
  2. Step 2: Convert to fraction form
    21,557,599.92/29,745,507.66 = 12,264,627.46/x
  3. Step 3: Cross multiply
    21,557,599.92x = 29,745,507.66 × 12,264,627.46
  4. Step 4: Simplify right side
    21,557,599.92x = 364,817,570,058,476.38
  5. Step 5: Solve for x
    x = 364,817,570,058,476.38/21,557,599.92
  6. Step 6: Final answer
    x = 16,922,921.45

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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.