Home / 28,970,672.40-43,461,257.40-14,557,467.60

Finding the Fourth Proportional to 28,970,672.40, 43,461,257.40 and 14,557,467.60

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Solution

The fourth proportional to 28,970,672.40, 43,461,257.40 and 14,557,467.60 is: 21,838,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,672.40 : 43,461,257.40 = 14,557,467.60 : x
  2. Step 2: Convert to fraction form
    28,970,672.40/43,461,257.40 = 14,557,467.60/x
  3. Step 3: Cross multiply
    28,970,672.40x = 43,461,257.40 × 14,557,467.60
  4. Step 4: Simplify right side
    28,970,672.40x = 632,685,846,455,760.25
  5. Step 5: Solve for x
    x = 632,685,846,455,760.25/28,970,672.40
  6. Step 6: Final answer
    x = 21,838,838.87

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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.