Home / 13,293,822.60-19,940,733.90-13,209,841.80

Finding the Fourth Proportional to 13,293,822.60, 19,940,733.90 and 13,209,841.80

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Solution

The fourth proportional to 13,293,822.60, 19,940,733.90 and 13,209,841.80 is: 19,814,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,822.60 : 19,940,733.90 = 13,209,841.80 : x
  2. Step 2: Convert to fraction form
    13,293,822.60/19,940,733.90 = 13,209,841.80/x
  3. Step 3: Cross multiply
    13,293,822.60x = 19,940,733.90 × 13,209,841.80
  4. Step 4: Simplify right side
    13,293,822.60x = 263,413,940,194,897
  5. Step 5: Solve for x
    x = 263,413,940,194,897/13,293,822.60
  6. Step 6: Final answer
    x = 19,814,762.70

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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.