Home / 12,018,666.90-16,585,766.75-6,512,046.18

Finding the Fourth Proportional to 12,018,666.90, 16,585,766.75 and 6,512,046.18

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Solution

The fourth proportional to 12,018,666.90, 16,585,766.75 and 6,512,046.18 is: 8,986,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,666.90 : 16,585,766.75 = 6,512,046.18 : x
  2. Step 2: Convert to fraction form
    12,018,666.90/16,585,766.75 = 6,512,046.18/x
  3. Step 3: Cross multiply
    12,018,666.90x = 16,585,766.75 × 6,512,046.18
  4. Step 4: Simplify right side
    12,018,666.90x = 108,007,279,054,086.94
  5. Step 5: Solve for x
    x = 108,007,279,054,086.94/12,018,666.90
  6. Step 6: Final answer
    x = 8,986,627.21

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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.