Home / 12,127,116.30-18,190,674.45-11,011,090.20

Finding the Fourth Proportional to 12,127,116.30, 18,190,674.45 and 11,011,090.20

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Solution

The fourth proportional to 12,127,116.30, 18,190,674.45 and 11,011,090.20 is: 16,516,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,116.30 : 18,190,674.45 = 11,011,090.20 : x
  2. Step 2: Convert to fraction form
    12,127,116.30/18,190,674.45 = 11,011,090.20/x
  3. Step 3: Cross multiply
    12,127,116.30x = 18,190,674.45 × 11,011,090.20
  4. Step 4: Simplify right side
    12,127,116.30x = 200,299,157,167,785.38
  5. Step 5: Solve for x
    x = 200,299,157,167,785.38/12,127,116.30
  6. Step 6: Final answer
    x = 16,516,635.30

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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.