Home / 19,075,429.60-28,618,213.20-8,288,101.60

Finding the Fourth Proportional to 19,075,429.60, 28,618,213.20 and 8,288,101.60

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Solution

The fourth proportional to 19,075,429.60, 28,618,213.20 and 8,288,101.60 is: 12,434,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075,429.60 : 28,618,213.20 = 8,288,101.60 : x
  2. Step 2: Convert to fraction form
    19,075,429.60/28,618,213.20 = 8,288,101.60/x
  3. Step 3: Cross multiply
    19,075,429.60x = 28,618,213.20 × 8,288,101.60
  4. Step 4: Simplify right side
    19,075,429.60x = 237,190,658,612,061.09
  5. Step 5: Solve for x
    x = 237,190,658,612,061.09/19,075,429.60
  6. Step 6: Final answer
    x = 12,434,354.75

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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.