Home / 21,070,385.03-29,076,911.60-12,366,876.12

Finding the Fourth Proportional to 21,070,385.03, 29,076,911.60 and 12,366,876.12

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Solution

The fourth proportional to 21,070,385.03, 29,076,911.60 and 12,366,876.12 is: 17,066,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070,385.03 : 29,076,911.60 = 12,366,876.12 : x
  2. Step 2: Convert to fraction form
    21,070,385.03/29,076,911.60 = 12,366,876.12/x
  3. Step 3: Cross multiply
    21,070,385.03x = 29,076,911.60 × 12,366,876.12
  4. Step 4: Simplify right side
    21,070,385.03x = 359,590,563,709,391
  5. Step 5: Solve for x
    x = 359,590,563,709,391/21,070,385.03
  6. Step 6: Final answer
    x = 17,066,160.07

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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.