Home / 18,715,060.99-28,075,269.38-5,762,307.60

Finding the Fourth Proportional to 18,715,060.99, 28,075,269.38 and 5,762,307.60

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Solution

The fourth proportional to 18,715,060.99, 28,075,269.38 and 5,762,307.60 is: 8,644,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,060.99 : 28,075,269.38 = 5,762,307.60 : x
  2. Step 2: Convert to fraction form
    18,715,060.99/28,075,269.38 = 5,762,307.60/x
  3. Step 3: Cross multiply
    18,715,060.99x = 28,075,269.38 × 5,762,307.60
  4. Step 4: Simplify right side
    18,715,060.99x = 161,778,338,120,421.28
  5. Step 5: Solve for x
    x = 161,778,338,120,421.28/18,715,060.99
  6. Step 6: Final answer
    x = 8,644,285.92

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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.