Home / 12,018,645.60-16,585,707.71-6,512,169.48

Finding the Fourth Proportional to 12,018,645.60, 16,585,707.71 and 6,512,169.48

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Solution

The fourth proportional to 12,018,645.60, 16,585,707.71 and 6,512,169.48 is: 8,986,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,645.60 : 16,585,707.71 = 6,512,169.48 : x
  2. Step 2: Convert to fraction form
    12,018,645.60/16,585,707.71 = 6,512,169.48/x
  3. Step 3: Cross multiply
    12,018,645.60x = 16,585,707.71 × 6,512,169.48
  4. Step 4: Simplify right side
    12,018,645.60x = 108,008,939,520,701.84
  5. Step 5: Solve for x
    x = 108,008,939,520,701.84/12,018,645.60
  6. Step 6: Final answer
    x = 8,986,781.30

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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.