Home / 12,070,520.28-16,657,755.21-6,914,878.27

Finding the Fourth Proportional to 12,070,520.28, 16,657,755.21 and 6,914,878.27

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Solution

The fourth proportional to 12,070,520.28, 16,657,755.21 and 6,914,878.27 is: 9,542,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,520.28 : 16,657,755.21 = 6,914,878.27 : x
  2. Step 2: Convert to fraction form
    12,070,520.28/16,657,755.21 = 6,914,878.27/x
  3. Step 3: Cross multiply
    12,070,520.28x = 16,657,755.21 × 6,914,878.27
  4. Step 4: Simplify right side
    12,070,520.28x = 115,186,349,528,608.28
  5. Step 5: Solve for x
    x = 115,186,349,528,608.28/12,070,520.28
  6. Step 6: Final answer
    x = 9,542,782.49

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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.