Home / 21,943,420.14-30,280,588.44-12,153,278.18

Finding the Fourth Proportional to 21,943,420.14, 30,280,588.44 and 12,153,278.18

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Solution

The fourth proportional to 21,943,420.14, 30,280,588.44 and 12,153,278.18 is: 16,770,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,420.14 : 30,280,588.44 = 12,153,278.18 : x
  2. Step 2: Convert to fraction form
    21,943,420.14/30,280,588.44 = 12,153,278.18/x
  3. Step 3: Cross multiply
    21,943,420.14x = 30,280,588.44 × 12,153,278.18
  4. Step 4: Simplify right side
    21,943,420.14x = 368,008,414,765,412.25
  5. Step 5: Solve for x
    x = 368,008,414,765,412.25/21,943,420.14
  6. Step 6: Final answer
    x = 16,770,786.52

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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.