Home / 47,366,138.10-65,370,942.09-28,784,314.47

Finding the Fourth Proportional to 47,366,138.10, 65,370,942.09 and 28,784,314.47

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Solution

The fourth proportional to 47,366,138.10, 65,370,942.09 and 28,784,314.47 is: 39,725,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,366,138.10 : 65,370,942.09 = 28,784,314.47 : x
  2. Step 2: Convert to fraction form
    47,366,138.10/65,370,942.09 = 28,784,314.47/x
  3. Step 3: Cross multiply
    47,366,138.10x = 65,370,942.09 × 28,784,314.47
  4. Step 4: Simplify right side
    47,366,138.10x = 1,881,657,754,318,719
  5. Step 5: Solve for x
    x = 1,881,657,754,318,719/47,366,138.10
  6. Step 6: Final answer
    x = 39,725,800.54

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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.