Finding the Fourth Proportional to 19,709,603.24, 29,548,399.25 and 8,203,682.90
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Solution
The fourth proportional to 19,709,603.24, 29,548,399.25 and 8,203,682.90 is: 12,298,862.38
Step by Step Solution
- Step 1: Write the proportion equation
19,709,603.24 : 29,548,399.25 = 8,203,682.90 : x - Step 2: Convert to fraction form
19,709,603.24/29,548,399.25 = 8,203,682.90/x - Step 3: Cross multiply
19,709,603.24x = 29,548,399.25 × 8,203,682.90 - Step 4: Simplify right side
19,709,603.24x = 242,405,697,743,978.03 - Step 5: Solve for x
x = 242,405,697,743,978.03/19,709,603.24 - Step 6: Final answer
x = 12,298,862.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.