Finding the Fourth Proportional to 43,115,589.88, 64,635,130.14 and 15,815,603.08
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Solution
The fourth proportional to 43,115,589.88, 64,635,130.14 and 15,815,603.08 is: 23,709,372.09
Step by Step Solution
- Step 1: Write the proportion equation
43,115,589.88 : 64,635,130.14 = 15,815,603.08 : x - Step 2: Convert to fraction form
43,115,589.88/64,635,130.14 = 15,815,603.08/x - Step 3: Cross multiply
43,115,589.88x = 64,635,130.14 × 15,815,603.08 - Step 4: Simplify right side
43,115,589.88x = 1,022,243,563,318,384.88 - Step 5: Solve for x
x = 1,022,243,563,318,384.88/43,115,589.88 - Step 6: Final answer
x = 23,709,372.09
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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.