Home / 12,128,538.40-18,192,807.60-6,064,206.10

Finding the Fourth Proportional to 12,128,538.40, 18,192,807.60 and 6,064,206.10

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Solution

The fourth proportional to 12,128,538.40, 18,192,807.60 and 6,064,206.10 is: 9,096,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,538.40 : 18,192,807.60 = 6,064,206.10 : x
  2. Step 2: Convert to fraction form
    12,128,538.40/18,192,807.60 = 6,064,206.10/x
  3. Step 3: Cross multiply
    12,128,538.40x = 18,192,807.60 × 6,064,206.10
  4. Step 4: Simplify right side
    12,128,538.40x = 110,324,934,824,046.36
  5. Step 5: Solve for x
    x = 110,324,934,824,046.36/12,128,538.40
  6. Step 6: Final answer
    x = 9,096,309.15

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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.