Home / 8,381,146.40-12,571,719.60-4,129,618.40

Finding the Fourth Proportional to 8,381,146.40, 12,571,719.60 and 4,129,618.40

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Solution

The fourth proportional to 8,381,146.40, 12,571,719.60 and 4,129,618.40 is: 6,194,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,146.40 : 12,571,719.60 = 4,129,618.40 : x
  2. Step 2: Convert to fraction form
    8,381,146.40/12,571,719.60 = 4,129,618.40/x
  3. Step 3: Cross multiply
    8,381,146.40x = 12,571,719.60 × 4,129,618.40
  4. Step 4: Simplify right side
    8,381,146.40x = 51,916,404,579,800.64
  5. Step 5: Solve for x
    x = 51,916,404,579,800.64/8,381,146.40
  6. Step 6: Final answer
    x = 6,194,427.60

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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.