Finding the Fourth Proportional to 42,232,362.48, 63,325,398.96 and 13,078,107.96
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Solution
The fourth proportional to 42,232,362.48, 63,325,398.96 and 13,078,107.96 is: 19,609,994.70
Step by Step Solution
- Step 1: Write the proportion equation
42,232,362.48 : 63,325,398.96 = 13,078,107.96 : x - Step 2: Convert to fraction form
42,232,362.48/63,325,398.96 = 13,078,107.96/x - Step 3: Cross multiply
42,232,362.48x = 63,325,398.96 × 13,078,107.96 - Step 4: Simplify right side
42,232,362.48x = 828,176,404,208,951.75 - Step 5: Solve for x
x = 828,176,404,208,951.75/42,232,362.48 - Step 6: Final answer
x = 19,609,994.70
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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.