Home / 19,689,525.20-27,171,549.70-10,868,981.60

Finding the Fourth Proportional to 19,689,525.20, 27,171,549.70 and 10,868,981.60

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Solution

The fourth proportional to 19,689,525.20, 27,171,549.70 and 10,868,981.60 is: 14,999,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,525.20 : 27,171,549.70 = 10,868,981.60 : x
  2. Step 2: Convert to fraction form
    19,689,525.20/27,171,549.70 = 10,868,981.60/x
  3. Step 3: Cross multiply
    19,689,525.20x = 27,171,549.70 × 10,868,981.60
  4. Step 4: Simplify right side
    19,689,525.20x = 295,327,073,732,785.50
  5. Step 5: Solve for x
    x = 295,327,073,732,785.50/19,689,525.20
  6. Step 6: Final answer
    x = 14,999,197.33

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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.