Home / 8,423,535.70-12,636,700.80-2,957,213.44

Finding the Fourth Proportional to 8,423,535.70, 12,636,700.80 and 2,957,213.44

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Solution

The fourth proportional to 8,423,535.70, 12,636,700.80 and 2,957,213.44 is: 4,436,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,535.70 : 12,636,700.80 = 2,957,213.44 : x
  2. Step 2: Convert to fraction form
    8,423,535.70/12,636,700.80 = 2,957,213.44/x
  3. Step 3: Cross multiply
    8,423,535.70x = 12,636,700.80 × 2,957,213.44
  4. Step 4: Simplify right side
    8,423,535.70x = 37,369,421,443,018.75
  5. Step 5: Solve for x
    x = 37,369,421,443,018.75/8,423,535.70
  6. Step 6: Final answer
    x = 4,436,310.69

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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.