Home / 43,638,307.88-65,457,789.86-19,370,710.71

Finding the Fourth Proportional to 43,638,307.88, 65,457,789.86 and 19,370,710.71

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Solution

The fourth proportional to 43,638,307.88, 65,457,789.86 and 19,370,710.71 is: 29,056,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,307.88 : 65,457,789.86 = 19,370,710.71 : x
  2. Step 2: Convert to fraction form
    43,638,307.88/65,457,789.86 = 19,370,710.71/x
  3. Step 3: Cross multiply
    43,638,307.88x = 65,457,789.86 × 19,370,710.71
  4. Step 4: Simplify right side
    43,638,307.88x = 1,267,963,911,142,458.25
  5. Step 5: Solve for x
    x = 1,267,963,911,142,458.25/43,638,307.88
  6. Step 6: Final answer
    x = 29,056,211.68

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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.