Home / 34,348,852.78-51,523,279.20-12,782,894.38

Finding the Fourth Proportional to 34,348,852.78, 51,523,279.20 and 12,782,894.38

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Solution

The fourth proportional to 34,348,852.78, 51,523,279.20 and 12,782,894.38 is: 19,174,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,348,852.78 : 51,523,279.20 = 12,782,894.38 : x
  2. Step 2: Convert to fraction form
    34,348,852.78/51,523,279.20 = 12,782,894.38/x
  3. Step 3: Cross multiply
    34,348,852.78x = 51,523,279.20 × 12,782,894.38
  4. Step 4: Simplify right side
    34,348,852.78x = 658,616,636,124,851
  5. Step 5: Solve for x
    x = 658,616,636,124,851/34,348,852.78
  6. Step 6: Final answer
    x = 19,174,341.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.