Home / 21,070,388.03-29,076,915.74-12,366,879.12

Finding the Fourth Proportional to 21,070,388.03, 29,076,915.74 and 12,366,879.12

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Solution

The fourth proportional to 21,070,388.03, 29,076,915.74 and 12,366,879.12 is: 17,066,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070,388.03 : 29,076,915.74 = 12,366,879.12 : x
  2. Step 2: Convert to fraction form
    21,070,388.03/29,076,915.74 = 12,366,879.12/x
  3. Step 3: Cross multiply
    21,070,388.03x = 29,076,915.74 × 12,366,879.12
  4. Step 4: Simplify right side
    21,070,388.03x = 359,590,702,139,005.31
  5. Step 5: Solve for x
    x = 359,590,702,139,005.31/21,070,388.03
  6. Step 6: Final answer
    x = 17,066,164.21

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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.