Home / 19,277,772.90-28,860,672.15-18,717,900.90

Finding the Fourth Proportional to 19,277,772.90, 28,860,672.15 and 18,717,900.90

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Solution

The fourth proportional to 19,277,772.90, 28,860,672.15 and 18,717,900.90 is: 28,022,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277,772.90 : 28,860,672.15 = 18,717,900.90 : x
  2. Step 2: Convert to fraction form
    19,277,772.90/28,860,672.15 = 18,717,900.90/x
  3. Step 3: Cross multiply
    19,277,772.90x = 28,860,672.15 × 18,717,900.90
  4. Step 4: Simplify right side
    19,277,772.90x = 540,211,201,211,089.88
  5. Step 5: Solve for x
    x = 540,211,201,211,089.88/19,277,772.90
  6. Step 6: Final answer
    x = 28,022,490.15

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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.