Home / 12,554,671.40-18,832,007.10-11,798,844.20

Finding the Fourth Proportional to 12,554,671.40, 18,832,007.10 and 11,798,844.20

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Solution

The fourth proportional to 12,554,671.40, 18,832,007.10 and 11,798,844.20 is: 17,698,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554,671.40 : 18,832,007.10 = 11,798,844.20 : x
  2. Step 2: Convert to fraction form
    12,554,671.40/18,832,007.10 = 11,798,844.20/x
  3. Step 3: Cross multiply
    12,554,671.40x = 18,832,007.10 × 11,798,844.20
  4. Step 4: Simplify right side
    12,554,671.40x = 222,195,917,746,193.81
  5. Step 5: Solve for x
    x = 222,195,917,746,193.81/12,554,671.40
  6. Step 6: Final answer
    x = 17,698,266.30

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1.5x scale

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.