Home / 10,200,979.01-14,076,280.81-5,789,299.75

Finding the Fourth Proportional to 10,200,979.01, 14,076,280.81 and 5,789,299.75

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Solution

The fourth proportional to 10,200,979.01, 14,076,280.81 and 5,789,299.75 is: 7,988,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,979.01 : 14,076,280.81 = 5,789,299.75 : x
  2. Step 2: Convert to fraction form
    10,200,979.01/14,076,280.81 = 5,789,299.75/x
  3. Step 3: Cross multiply
    10,200,979.01x = 14,076,280.81 × 5,789,299.75
  4. Step 4: Simplify right side
    10,200,979.01x = 81,491,808,974,262.80
  5. Step 5: Solve for x
    x = 81,491,808,974,262.80/10,200,979.01
  6. Step 6: Final answer
    x = 7,988,626.28

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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.