Home / 21,740,945.48-30,003,235.36-12,798,442.09

Finding the Fourth Proportional to 21,740,945.48, 30,003,235.36 and 12,798,442.09

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Solution

The fourth proportional to 21,740,945.48, 30,003,235.36 and 12,798,442.09 is: 17,662,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,945.48 : 30,003,235.36 = 12,798,442.09 : x
  2. Step 2: Convert to fraction form
    21,740,945.48/30,003,235.36 = 12,798,442.09/x
  3. Step 3: Cross multiply
    21,740,945.48x = 30,003,235.36 × 12,798,442.09
  4. Step 4: Simplify right side
    21,740,945.48x = 383,994,670,267,600.31
  5. Step 5: Solve for x
    x = 383,994,670,267,600.31/21,740,945.48
  6. Step 6: Final answer
    x = 17,662,280.17

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1.5x scale

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.