Home / 19,159,782.90-28,739,674.35-18,214,998.90

Finding the Fourth Proportional to 19,159,782.90, 28,739,674.35 and 18,214,998.90

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Solution

The fourth proportional to 19,159,782.90, 28,739,674.35 and 18,214,998.90 is: 27,322,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,782.90 : 28,739,674.35 = 18,214,998.90 : x
  2. Step 2: Convert to fraction form
    19,159,782.90/28,739,674.35 = 18,214,998.90/x
  3. Step 3: Cross multiply
    19,159,782.90x = 28,739,674.35 × 18,214,998.90
  4. Step 4: Simplify right side
    19,159,782.90x = 523,493,136,671,608.19
  5. Step 5: Solve for x
    x = 523,493,136,671,608.19/19,159,782.90
  6. Step 6: Final answer
    x = 27,322,498.35

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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.