Home / 14,771,719.56-20,388,374.28-8,662,116.36

Finding the Fourth Proportional to 14,771,719.56, 20,388,374.28 and 8,662,116.36

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Solution

The fourth proportional to 14,771,719.56, 20,388,374.28 and 8,662,116.36 is: 11,955,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,719.56 : 20,388,374.28 = 8,662,116.36 : x
  2. Step 2: Convert to fraction form
    14,771,719.56/20,388,374.28 = 8,662,116.36/x
  3. Step 3: Cross multiply
    14,771,719.56x = 20,388,374.28 × 8,662,116.36
  4. Step 4: Simplify right side
    14,771,719.56x = 176,606,470,404,591.22
  5. Step 5: Solve for x
    x = 176,606,470,404,591.22/14,771,719.56
  6. Step 6: Final answer
    x = 11,955,715.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.