Home / 16,681,999.80-25,022,999.70-10,271,465.40

Finding the Fourth Proportional to 16,681,999.80, 25,022,999.70 and 10,271,465.40

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Solution

The fourth proportional to 16,681,999.80, 25,022,999.70 and 10,271,465.40 is: 15,407,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681,999.80 : 25,022,999.70 = 10,271,465.40 : x
  2. Step 2: Convert to fraction form
    16,681,999.80/25,022,999.70 = 10,271,465.40/x
  3. Step 3: Cross multiply
    16,681,999.80x = 25,022,999.70 × 10,271,465.40
  4. Step 4: Simplify right side
    16,681,999.80x = 257,022,875,622,760.38
  5. Step 5: Solve for x
    x = 257,022,875,622,760.38/16,681,999.80
  6. Step 6: Final answer
    x = 15,407,198.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.