Home / 14,929,187.88-20,591,666.45-9,965,126.35

Finding the Fourth Proportional to 14,929,187.88, 20,591,666.45 and 9,965,126.35

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Solution

The fourth proportional to 14,929,187.88, 20,591,666.45 and 9,965,126.35 is: 13,744,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929,187.88 : 20,591,666.45 = 9,965,126.35 : x
  2. Step 2: Convert to fraction form
    14,929,187.88/20,591,666.45 = 9,965,126.35/x
  3. Step 3: Cross multiply
    14,929,187.88x = 20,591,666.45 × 9,965,126.35
  4. Step 4: Simplify right side
    14,929,187.88x = 205,198,557,931,305.94
  5. Step 5: Solve for x
    x = 205,198,557,931,305.94/14,929,187.88
  6. Step 6: Final answer
    x = 13,744,790.38

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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.