Home / 8,606,720.70-12,911,784.63-2,458,755.39

Finding the Fourth Proportional to 8,606,720.70, 12,911,784.63 and 2,458,755.39

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Solution

The fourth proportional to 8,606,720.70, 12,911,784.63 and 2,458,755.39 is: 3,688,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606,720.70 : 12,911,784.63 = 2,458,755.39 : x
  2. Step 2: Convert to fraction form
    8,606,720.70/12,911,784.63 = 2,458,755.39/x
  3. Step 3: Cross multiply
    8,606,720.70x = 12,911,784.63 × 2,458,755.39
  4. Step 4: Simplify right side
    8,606,720.70x = 31,746,920,053,531.66
  5. Step 5: Solve for x
    x = 31,746,920,053,531.66/8,606,720.70
  6. Step 6: Final answer
    x = 3,688,619.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.