Home / 21,293,946.37-31,940,915.90-6,731,088.79

Finding the Fourth Proportional to 21,293,946.37, 31,940,915.90 and 6,731,088.79

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Solution

The fourth proportional to 21,293,946.37, 31,940,915.90 and 6,731,088.79 is: 10,096,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,946.37 : 31,940,915.90 = 6,731,088.79 : x
  2. Step 2: Convert to fraction form
    21,293,946.37/31,940,915.90 = 6,731,088.79/x
  3. Step 3: Cross multiply
    21,293,946.37x = 31,940,915.90 × 6,731,088.79
  4. Step 4: Simplify right side
    21,293,946.37x = 214,997,140,956,822.75
  5. Step 5: Solve for x
    x = 214,997,140,956,822.75/21,293,946.37
  6. Step 6: Final answer
    x = 10,096,632.03

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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.