Home / 18,715,066.65-28,075,277.87-5,762,313.26

Finding the Fourth Proportional to 18,715,066.65, 28,075,277.87 and 5,762,313.26

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Solution

The fourth proportional to 18,715,066.65, 28,075,277.87 and 5,762,313.26 is: 8,644,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,066.65 : 28,075,277.87 = 5,762,313.26 : x
  2. Step 2: Convert to fraction form
    18,715,066.65/28,075,277.87 = 5,762,313.26/x
  3. Step 3: Cross multiply
    18,715,066.65x = 28,075,277.87 × 5,762,313.26
  4. Step 4: Simplify right side
    18,715,066.65x = 161,778,545,948,485.56
  5. Step 5: Solve for x
    x = 161,778,545,948,485.56/18,715,066.65
  6. Step 6: Final answer
    x = 8,644,294.41

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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.