Home / 22,648,172-31,254,010.80-12,335,076.32

Finding the Fourth Proportional to 22,648,172, 31,254,010.80 and 12,335,076.32

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Solution

The fourth proportional to 22,648,172, 31,254,010.80 and 12,335,076.32 is: 17,022,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648,172 : 31,254,010.80 = 12,335,076.32 : x
  2. Step 2: Convert to fraction form
    22,648,172/31,254,010.80 = 12,335,076.32/x
  3. Step 3: Cross multiply
    22,648,172x = 31,254,010.80 × 12,335,076.32
  4. Step 4: Simplify right side
    22,648,172x = 385,520,608,524,104.25
  5. Step 5: Solve for x
    x = 385,520,608,524,104.25/22,648,172
  6. Step 6: Final answer
    x = 17,022,151.21

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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.