Finding the Fourth Proportional to 42,652,992.96, 63,972,918.72 and 13,899,055.68
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Solution
The fourth proportional to 42,652,992.96, 63,972,918.72 and 13,899,055.68 is: 20,846,442.36
Step by Step Solution
- Step 1: Write the proportion equation
42,652,992.96 : 63,972,918.72 = 13,899,055.68 : x - Step 2: Convert to fraction form
42,652,992.96/63,972,918.72 = 13,899,055.68/x - Step 3: Cross multiply
42,652,992.96x = 63,972,918.72 × 13,899,055.68 - Step 4: Simplify right side
42,652,992.96x = 889,163,159,301,394.25 - Step 5: Solve for x
x = 889,163,159,301,394.25/42,652,992.96 - Step 6: Final answer
x = 20,846,442.36
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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.