Home / 17,153,917.40-23,672,406.12-9,418,959.71

Finding the Fourth Proportional to 17,153,917.40, 23,672,406.12 and 9,418,959.71

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Solution

The fourth proportional to 17,153,917.40, 23,672,406.12 and 9,418,959.71 is: 12,998,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153,917.40 : 23,672,406.12 = 9,418,959.71 : x
  2. Step 2: Convert to fraction form
    17,153,917.40/23,672,406.12 = 9,418,959.71/x
  3. Step 3: Cross multiply
    17,153,917.40x = 23,672,406.12 × 9,418,959.71
  4. Step 4: Simplify right side
    17,153,917.40x = 222,969,439,364,675.41
  5. Step 5: Solve for x
    x = 222,969,439,364,675.41/17,153,917.40
  6. Step 6: Final answer
    x = 12,998,164.46

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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.