Home / 21,177,272.32-29,224,636.14-12,009,915.10

Finding the Fourth Proportional to 21,177,272.32, 29,224,636.14 and 12,009,915.10

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Solution

The fourth proportional to 21,177,272.32, 29,224,636.14 and 12,009,915.10 is: 16,573,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177,272.32 : 29,224,636.14 = 12,009,915.10 : x
  2. Step 2: Convert to fraction form
    21,177,272.32/29,224,636.14 = 12,009,915.10/x
  3. Step 3: Cross multiply
    21,177,272.32x = 29,224,636.14 × 12,009,915.10
  4. Step 4: Simplify right side
    21,177,272.32x = 350,985,398,869,791.69
  5. Step 5: Solve for x
    x = 350,985,398,869,791.69/21,177,272.32
  6. Step 6: Final answer
    x = 16,573,683.03

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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.