Home / 12,128,470.40-18,192,705.60-6,064,138.10

Finding the Fourth Proportional to 12,128,470.40, 18,192,705.60 and 6,064,138.10

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Solution

The fourth proportional to 12,128,470.40, 18,192,705.60 and 6,064,138.10 is: 9,096,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,470.40 : 18,192,705.60 = 6,064,138.10 : x
  2. Step 2: Convert to fraction form
    12,128,470.40/18,192,705.60 = 6,064,138.10/x
  3. Step 3: Cross multiply
    12,128,470.40x = 18,192,705.60 × 6,064,138.10
  4. Step 4: Simplify right side
    12,128,470.40x = 110,323,079,171,043.36
  5. Step 5: Solve for x
    x = 110,323,079,171,043.36/12,128,470.40
  6. Step 6: Final answer
    x = 9,096,207.15

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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.