Home / 8,456,126.40-12,686,522.40-4,196,433.60

Finding the Fourth Proportional to 8,456,126.40, 12,686,522.40 and 4,196,433.60

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Solution

The fourth proportional to 8,456,126.40, 12,686,522.40 and 4,196,433.60 is: 6,295,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,126.40 : 12,686,522.40 = 4,196,433.60 : x
  2. Step 2: Convert to fraction form
    8,456,126.40/12,686,522.40 = 4,196,433.60/x
  3. Step 3: Cross multiply
    8,456,126.40x = 12,686,522.40 × 4,196,433.60
  4. Step 4: Simplify right side
    8,456,126.40x = 53,238,148,866,512.64
  5. Step 5: Solve for x
    x = 53,238,148,866,512.64/8,456,126.40
  6. Step 6: Final answer
    x = 6,295,808.07

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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.