Home / 10,305,423.36-14,198,088.24-7,974,299.52

Finding the Fourth Proportional to 10,305,423.36, 14,198,088.24 and 7,974,299.52

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Solution

The fourth proportional to 10,305,423.36, 14,198,088.24 and 7,974,299.52 is: 10,986,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,423.36 : 14,198,088.24 = 7,974,299.52 : x
  2. Step 2: Convert to fraction form
    10,305,423.36/14,198,088.24 = 7,974,299.52/x
  3. Step 3: Cross multiply
    10,305,423.36x = 14,198,088.24 × 7,974,299.52
  4. Step 4: Simplify right side
    10,305,423.36x = 113,219,808,237,149.64
  5. Step 5: Solve for x
    x = 113,219,808,237,149.64/10,305,423.36
  6. Step 6: Final answer
    x = 10,986,429.60

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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.