Home / 19,079,776.25-28,616,011.98-7,408,146.59

Finding the Fourth Proportional to 19,079,776.25, 28,616,011.98 and 7,408,146.59

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Solution

The fourth proportional to 19,079,776.25, 28,616,011.98 and 7,408,146.59 is: 11,110,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,776.25 : 28,616,011.98 = 7,408,146.59 : x
  2. Step 2: Convert to fraction form
    19,079,776.25/28,616,011.98 = 7,408,146.59/x
  3. Step 3: Cross multiply
    19,079,776.25x = 28,616,011.98 × 7,408,146.59
  4. Step 4: Simplify right side
    19,079,776.25x = 211,991,611,569,036.16
  5. Step 5: Solve for x
    x = 211,991,611,569,036.16/19,079,776.25
  6. Step 6: Final answer
    x = 11,110,801.76

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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.