Home / 19,813,807.79-27,346,043.52-12,083,334.20

Finding the Fourth Proportional to 19,813,807.79, 27,346,043.52 and 12,083,334.20

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Solution

The fourth proportional to 19,813,807.79, 27,346,043.52 and 12,083,334.20 is: 16,676,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,807.79 : 27,346,043.52 = 12,083,334.20 : x
  2. Step 2: Convert to fraction form
    19,813,807.79/27,346,043.52 = 12,083,334.20/x
  3. Step 3: Cross multiply
    19,813,807.79x = 27,346,043.52 × 12,083,334.20
  4. Step 4: Simplify right side
    19,813,807.79x = 330,431,382,899,904.38
  5. Step 5: Solve for x
    x = 330,431,382,899,904.38/19,813,807.79
  6. Step 6: Final answer
    x = 16,676,823.88

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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.