Home / 13,631,850.54-18,812,006.60-7,437,036.42

Finding the Fourth Proportional to 13,631,850.54, 18,812,006.60 and 7,437,036.42

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Solution

The fourth proportional to 13,631,850.54, 18,812,006.60 and 7,437,036.42 is: 10,263,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,850.54 : 18,812,006.60 = 7,437,036.42 : x
  2. Step 2: Convert to fraction form
    13,631,850.54/18,812,006.60 = 7,437,036.42/x
  3. Step 3: Cross multiply
    13,631,850.54x = 18,812,006.60 × 7,437,036.42
  4. Step 4: Simplify right side
    13,631,850.54x = 139,905,578,180,295.17
  5. Step 5: Solve for x
    x = 139,905,578,180,295.17/13,631,850.54
  6. Step 6: Final answer
    x = 10,263,139.09

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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.