Home / 8,635,408.40-12,953,112.60-8,386,576.40

Finding the Fourth Proportional to 8,635,408.40, 12,953,112.60 and 8,386,576.40

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Solution

The fourth proportional to 8,635,408.40, 12,953,112.60 and 8,386,576.40 is: 12,579,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,408.40 : 12,953,112.60 = 8,386,576.40 : x
  2. Step 2: Convert to fraction form
    8,635,408.40/12,953,112.60 = 8,386,576.40/x
  3. Step 3: Cross multiply
    8,635,408.40x = 12,953,112.60 × 8,386,576.40
  4. Step 4: Simplify right side
    8,635,408.40x = 108,632,268,437,702.64
  5. Step 5: Solve for x
    x = 108,632,268,437,702.64/8,635,408.40
  6. Step 6: Final answer
    x = 12,579,864.60

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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.