Home / 19,938,846.42-29,908,267.20-4,792,777.92

Finding the Fourth Proportional to 19,938,846.42, 29,908,267.20 and 4,792,777.92

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Solution

The fourth proportional to 19,938,846.42, 29,908,267.20 and 4,792,777.92 is: 7,189,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,846.42 : 29,908,267.20 = 4,792,777.92 : x
  2. Step 2: Convert to fraction form
    19,938,846.42/29,908,267.20 = 4,792,777.92/x
  3. Step 3: Cross multiply
    19,938,846.42x = 29,908,267.20 × 4,792,777.92
  4. Step 4: Simplify right side
    19,938,846.42x = 143,343,682,661,620.22
  5. Step 5: Solve for x
    x = 143,343,682,661,620.22/19,938,846.42
  6. Step 6: Final answer
    x = 7,189,166.30

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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.