Home / 19,980,468.78-27,573,046.57-10,813,111.53

Finding the Fourth Proportional to 19,980,468.78, 27,573,046.57 and 10,813,111.53

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Solution

The fourth proportional to 19,980,468.78, 27,573,046.57 and 10,813,111.53 is: 14,922,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,468.78 : 27,573,046.57 = 10,813,111.53 : x
  2. Step 2: Convert to fraction form
    19,980,468.78/27,573,046.57 = 10,813,111.53/x
  3. Step 3: Cross multiply
    19,980,468.78x = 27,573,046.57 × 10,813,111.53
  4. Step 4: Simplify right side
    19,980,468.78x = 298,150,427,693,411.38
  5. Step 5: Solve for x
    x = 298,150,427,693,411.38/19,980,468.78
  6. Step 6: Final answer
    x = 14,922,093.72

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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.