Home / 28,037,258.94-38,690,549.19-15,813,939.90

Finding the Fourth Proportional to 28,037,258.94, 38,690,549.19 and 15,813,939.90

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Solution

The fourth proportional to 28,037,258.94, 38,690,549.19 and 15,813,939.90 is: 21,822,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037,258.94 : 38,690,549.19 = 15,813,939.90 : x
  2. Step 2: Convert to fraction form
    28,037,258.94/38,690,549.19 = 15,813,939.90/x
  3. Step 3: Cross multiply
    28,037,258.94x = 38,690,549.19 × 15,813,939.90
  4. Step 4: Simplify right side
    28,037,258.94x = 611,850,019,588,653.62
  5. Step 5: Solve for x
    x = 611,850,019,588,653.62/28,037,258.94
  6. Step 6: Final answer
    x = 21,822,747.40

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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.