Home / 19,211,716.59-26,512,378.02-10,509,702.36

Finding the Fourth Proportional to 19,211,716.59, 26,512,378.02 and 10,509,702.36

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Solution

The fourth proportional to 19,211,716.59, 26,512,378.02 and 10,509,702.36 is: 14,503,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,716.59 : 26,512,378.02 = 10,509,702.36 : x
  2. Step 2: Convert to fraction form
    19,211,716.59/26,512,378.02 = 10,509,702.36/x
  3. Step 3: Cross multiply
    19,211,716.59x = 26,512,378.02 × 10,509,702.36
  4. Step 4: Simplify right side
    19,211,716.59x = 278,637,201,846,006.09
  5. Step 5: Solve for x
    x = 278,637,201,846,006.09/19,211,716.59
  6. Step 6: Final answer
    x = 14,503,503.66

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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.