Home / 14,691,264.39-20,273,686.70-8,164,893.51

Finding the Fourth Proportional to 14,691,264.39, 20,273,686.70 and 8,164,893.51

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Solution

The fourth proportional to 14,691,264.39, 20,273,686.70 and 8,164,893.51 is: 11,267,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691,264.39 : 20,273,686.70 = 8,164,893.51 : x
  2. Step 2: Convert to fraction form
    14,691,264.39/20,273,686.70 = 8,164,893.51/x
  3. Step 3: Cross multiply
    14,691,264.39x = 20,273,686.70 × 8,164,893.51
  4. Step 4: Simplify right side
    14,691,264.39x = 165,532,492,919,778.84
  5. Step 5: Solve for x
    x = 165,532,492,919,778.84/14,691,264.39
  6. Step 6: Final answer
    x = 11,267,409.57

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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.