Home / 12,913,680.54-17,820,513.46-7,033,183.40

Finding the Fourth Proportional to 12,913,680.54, 17,820,513.46 and 7,033,183.40

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Solution

The fourth proportional to 12,913,680.54, 17,820,513.46 and 7,033,183.40 is: 9,705,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,680.54 : 17,820,513.46 = 7,033,183.40 : x
  2. Step 2: Convert to fraction form
    12,913,680.54/17,820,513.46 = 7,033,183.40/x
  3. Step 3: Cross multiply
    12,913,680.54x = 17,820,513.46 × 7,033,183.40
  4. Step 4: Simplify right side
    12,913,680.54x = 125,334,939,446,348.58
  5. Step 5: Solve for x
    x = 125,334,939,446,348.58/12,913,680.54
  6. Step 6: Final answer
    x = 9,705,593.93

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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.