Home / 11,178,000.10-16,767,000.15-8,131,071.70

Finding the Fourth Proportional to 11,178,000.10, 16,767,000.15 and 8,131,071.70

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Solution

The fourth proportional to 11,178,000.10, 16,767,000.15 and 8,131,071.70 is: 12,196,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,000.10 : 16,767,000.15 = 8,131,071.70 : x
  2. Step 2: Convert to fraction form
    11,178,000.10/16,767,000.15 = 8,131,071.70/x
  3. Step 3: Cross multiply
    11,178,000.10x = 16,767,000.15 × 8,131,071.70
  4. Step 4: Simplify right side
    11,178,000.10x = 136,333,680,413,560.77
  5. Step 5: Solve for x
    x = 136,333,680,413,560.77/11,178,000.10
  6. Step 6: Final answer
    x = 12,196,607.55

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1.5x scale

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.