Home / 18,715,064.69-28,075,274.90-5,762,311.25

Finding the Fourth Proportional to 18,715,064.69, 28,075,274.90 and 5,762,311.25

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Solution

The fourth proportional to 18,715,064.69, 28,075,274.90 and 5,762,311.25 is: 8,644,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,064.69 : 28,075,274.90 = 5,762,311.25 : x
  2. Step 2: Convert to fraction form
    18,715,064.69/28,075,274.90 = 5,762,311.25/x
  3. Step 3: Cross multiply
    18,715,064.69x = 28,075,274.90 × 5,762,311.25
  4. Step 4: Simplify right side
    18,715,064.69x = 161,778,472,403,112.62
  5. Step 5: Solve for x
    x = 161,778,472,403,112.62/18,715,064.69
  6. Step 6: Final answer
    x = 8,644,291.38

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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.