Home / 22,676,617.80-31,292,384.22-12,885,703.11

Finding the Fourth Proportional to 22,676,617.80, 31,292,384.22 and 12,885,703.11

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Solution

The fourth proportional to 22,676,617.80, 31,292,384.22 and 12,885,703.11 is: 17,781,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676,617.80 : 31,292,384.22 = 12,885,703.11 : x
  2. Step 2: Convert to fraction form
    22,676,617.80/31,292,384.22 = 12,885,703.11/x
  3. Step 3: Cross multiply
    22,676,617.80x = 31,292,384.22 × 12,885,703.11
  4. Step 4: Simplify right side
    22,676,617.80x = 403,224,372,662,968.88
  5. Step 5: Solve for x
    x = 403,224,372,662,968.88/22,676,617.80
  6. Step 6: Final answer
    x = 17,781,504.11

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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.