Home / 18,715,066.80-28,075,278.12-5,762,313.36

Finding the Fourth Proportional to 18,715,066.80, 28,075,278.12 and 5,762,313.36

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Solution

The fourth proportional to 18,715,066.80, 28,075,278.12 and 5,762,313.36 is: 8,644,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,066.80 : 28,075,278.12 = 5,762,313.36 : x
  2. Step 2: Convert to fraction form
    18,715,066.80/28,075,278.12 = 5,762,313.36/x
  3. Step 3: Cross multiply
    18,715,066.80x = 28,075,278.12 × 5,762,313.36
  4. Step 4: Simplify right side
    18,715,066.80x = 161,778,550,196,591.69
  5. Step 5: Solve for x
    x = 161,778,550,196,591.69/18,715,066.80
  6. Step 6: Final answer
    x = 8,644,294.56

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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.