Home / 8,926,728.30-12,154,081.32-8,898,384.78

Finding the Fourth Proportional to 8,926,728.30, 12,154,081.32 and 8,898,384.78

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Solution

The fourth proportional to 8,926,728.30, 12,154,081.32 and 8,898,384.78 is: 12,115,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926,728.30 : 12,154,081.32 = 8,898,384.78 : x
  2. Step 2: Convert to fraction form
    8,926,728.30/12,154,081.32 = 8,898,384.78/x
  3. Step 3: Cross multiply
    8,926,728.30x = 12,154,081.32 × 8,898,384.78
  4. Step 4: Simplify right side
    8,926,728.30x = 108,151,692,232,770.30
  5. Step 5: Solve for x
    x = 108,151,692,232,770.30/8,926,728.30
  6. Step 6: Final answer
    x = 12,115,490.54

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.