Home / 51,461,894.72-71,017,415.04-28,257,021.80

Finding the Fourth Proportional to 51,461,894.72, 71,017,415.04 and 28,257,021.80

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Solution

The fourth proportional to 51,461,894.72, 71,017,415.04 and 28,257,021.80 is: 38,994,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,461,894.72 : 71,017,415.04 = 28,257,021.80 : x
  2. Step 2: Convert to fraction form
    51,461,894.72/71,017,415.04 = 28,257,021.80/x
  3. Step 3: Cross multiply
    51,461,894.72x = 71,017,415.04 × 28,257,021.80
  4. Step 4: Simplify right side
    51,461,894.72x = 2,006,740,644,964,928
  5. Step 5: Solve for x
    x = 2,006,740,644,964,928/51,461,894.72
  6. Step 6: Final answer
    x = 38,994,690.26

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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.