Home / 38,649,000.72-53,336,284-21,246,079.44

Finding the Fourth Proportional to 38,649,000.72, 53,336,284 and 21,246,079.44

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Solution

The fourth proportional to 38,649,000.72, 53,336,284 and 21,246,079.44 is: 29,319,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649,000.72 : 53,336,284 = 21,246,079.44 : x
  2. Step 2: Convert to fraction form
    38,649,000.72/53,336,284 = 21,246,079.44/x
  3. Step 3: Cross multiply
    38,649,000.72x = 53,336,284 × 21,246,079.44
  4. Step 4: Simplify right side
    38,649,000.72x = 1,133,186,926,898,401
  5. Step 5: Solve for x
    x = 1,133,186,926,898,401/38,649,000.72
  6. Step 6: Final answer
    x = 29,319,954.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.