Home / 19,020,658.14-28,542,184.65-7,061,792.22

Finding the Fourth Proportional to 19,020,658.14, 28,542,184.65 and 7,061,792.22

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Solution

The fourth proportional to 19,020,658.14, 28,542,184.65 and 7,061,792.22 is: 10,596,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,658.14 : 28,542,184.65 = 7,061,792.22 : x
  2. Step 2: Convert to fraction form
    19,020,658.14/28,542,184.65 = 7,061,792.22/x
  3. Step 3: Cross multiply
    19,020,658.14x = 28,542,184.65 × 7,061,792.22
  4. Step 4: Simplify right side
    19,020,658.14x = 201,558,977,503,173.41
  5. Step 5: Solve for x
    x = 201,558,977,503,173.41/19,020,658.14
  6. Step 6: Final answer
    x = 10,596,845.60

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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.