Home / 28,911,464.10-43,346,200.95-11,863,361.70

Finding the Fourth Proportional to 28,911,464.10, 43,346,200.95 and 11,863,361.70

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Solution

The fourth proportional to 28,911,464.10, 43,346,200.95 and 11,863,361.70 is: 17,786,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,464.10 : 43,346,200.95 = 11,863,361.70 : x
  2. Step 2: Convert to fraction form
    28,911,464.10/43,346,200.95 = 11,863,361.70/x
  3. Step 3: Cross multiply
    28,911,464.10x = 43,346,200.95 × 11,863,361.70
  4. Step 4: Simplify right side
    28,911,464.10x = 514,231,660,190,733.62
  5. Step 5: Solve for x
    x = 514,231,660,190,733.62/28,911,464.10
  6. Step 6: Final answer
    x = 17,786,427.50

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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.