Home / 12,714,719.40-19,072,079.10-11,868,690.60

Finding the Fourth Proportional to 12,714,719.40, 19,072,079.10 and 11,868,690.60

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Solution

The fourth proportional to 12,714,719.40, 19,072,079.10 and 11,868,690.60 is: 17,803,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,719.40 : 19,072,079.10 = 11,868,690.60 : x
  2. Step 2: Convert to fraction form
    12,714,719.40/19,072,079.10 = 11,868,690.60/x
  3. Step 3: Cross multiply
    12,714,719.40x = 19,072,079.10 × 11,868,690.60
  4. Step 4: Simplify right side
    12,714,719.40x = 226,360,605,936,626.47
  5. Step 5: Solve for x
    x = 226,360,605,936,626.47/12,714,719.40
  6. Step 6: Final answer
    x = 17,803,035.90

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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.