Home / 19,211,717-26,512,378.80-10,509,702.77

Finding the Fourth Proportional to 19,211,717, 26,512,378.80 and 10,509,702.77

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Solution

The fourth proportional to 19,211,717, 26,512,378.80 and 10,509,702.77 is: 14,503,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,717 : 26,512,378.80 = 10,509,702.77 : x
  2. Step 2: Convert to fraction form
    19,211,717/26,512,378.80 = 10,509,702.77/x
  3. Step 3: Cross multiply
    19,211,717x = 26,512,378.80 × 10,509,702.77
  4. Step 4: Simplify right side
    19,211,717x = 278,637,220,913,649.28
  5. Step 5: Solve for x
    x = 278,637,220,913,649.28/19,211,717
  6. Step 6: Final answer
    x = 14,503,504.34

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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.