Home / 19,940,577.60-29,910,866.40-12,342,907.20

Finding the Fourth Proportional to 19,940,577.60, 29,910,866.40 and 12,342,907.20

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Solution

The fourth proportional to 19,940,577.60, 29,910,866.40 and 12,342,907.20 is: 18,514,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940,577.60 : 29,910,866.40 = 12,342,907.20 : x
  2. Step 2: Convert to fraction form
    19,940,577.60/29,910,866.40 = 12,342,907.20/x
  3. Step 3: Cross multiply
    19,940,577.60x = 29,910,866.40 × 12,342,907.20
  4. Step 4: Simplify right side
    19,940,577.60x = 369,187,048,246,798.06
  5. Step 5: Solve for x
    x = 369,187,048,246,798.06/19,940,577.60
  6. Step 6: Final answer
    x = 18,514,360.80

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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.