Home / 12,652,622-18,984,716.40-6,886,718

Finding the Fourth Proportional to 12,652,622, 18,984,716.40 and 6,886,718

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Solution

The fourth proportional to 12,652,622, 18,984,716.40 and 6,886,718 is: 10,333,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652,622 : 18,984,716.40 = 6,886,718 : x
  2. Step 2: Convert to fraction form
    12,652,622/18,984,716.40 = 6,886,718/x
  3. Step 3: Cross multiply
    12,652,622x = 18,984,716.40 × 6,886,718
  4. Step 4: Simplify right side
    12,652,622x = 130,742,388,156,775.19
  5. Step 5: Solve for x
    x = 130,742,388,156,775.19/12,652,622
  6. Step 6: Final answer
    x = 10,333,224.86

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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.