Home / 13,047,848.64-18,006,072.84-7,246,629.36

Finding the Fourth Proportional to 13,047,848.64, 18,006,072.84 and 7,246,629.36

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Solution

The fourth proportional to 13,047,848.64, 18,006,072.84 and 7,246,629.36 is: 10,000,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,848.64 : 18,006,072.84 = 7,246,629.36 : x
  2. Step 2: Convert to fraction form
    13,047,848.64/18,006,072.84 = 7,246,629.36/x
  3. Step 3: Cross multiply
    13,047,848.64x = 18,006,072.84 × 7,246,629.36
  4. Step 4: Simplify right side
    13,047,848.64x = 130,483,336,100,642.59
  5. Step 5: Solve for x
    x = 130,483,336,100,642.59/13,047,848.64
  6. Step 6: Final answer
    x = 10,000,371.69

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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.