Home / 23,755,506.78-32,782,689.27-12,890,490.78

Finding the Fourth Proportional to 23,755,506.78, 32,782,689.27 and 12,890,490.78

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Solution

The fourth proportional to 23,755,506.78, 32,782,689.27 and 12,890,490.78 is: 17,788,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,755,506.78 : 32,782,689.27 = 12,890,490.78 : x
  2. Step 2: Convert to fraction form
    23,755,506.78/32,782,689.27 = 12,890,490.78/x
  3. Step 3: Cross multiply
    23,755,506.78x = 32,782,689.27 × 12,890,490.78
  4. Step 4: Simplify right side
    23,755,506.78x = 422,584,953,778,539.88
  5. Step 5: Solve for x
    x = 422,584,953,778,539.88/23,755,506.78
  6. Step 6: Final answer
    x = 17,788,926.07

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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.