Home / 19,318,101.20-28,977,151.80-19,019,502.80

Finding the Fourth Proportional to 19,318,101.20, 28,977,151.80 and 19,019,502.80

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Solution

The fourth proportional to 19,318,101.20, 28,977,151.80 and 19,019,502.80 is: 28,529,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,101.20 : 28,977,151.80 = 19,019,502.80 : x
  2. Step 2: Convert to fraction form
    19,318,101.20/28,977,151.80 = 19,019,502.80/x
  3. Step 3: Cross multiply
    19,318,101.20x = 28,977,151.80 × 19,019,502.80
  4. Step 4: Simplify right side
    19,318,101.20x = 551,131,019,796,125.06
  5. Step 5: Solve for x
    x = 551,131,019,796,125.06/19,318,101.20
  6. Step 6: Final answer
    x = 28,529,254.20

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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.