Finding the Fourth Proportional to 43,181,495.12, 64,783,603.44 and 15,518,207.28
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Solution
The fourth proportional to 43,181,495.12, 64,783,603.44 and 15,518,207.28 is: 23,281,393.66
Step by Step Solution
- Step 1: Write the proportion equation
43,181,495.12 : 64,783,603.44 = 15,518,207.28 : x - Step 2: Convert to fraction form
43,181,495.12/64,783,603.44 = 15,518,207.28/x - Step 3: Cross multiply
43,181,495.12x = 64,783,603.44 × 15,518,207.28 - Step 4: Simplify right side
43,181,495.12x = 1,005,325,386,527,241 - Step 5: Solve for x
x = 1,005,325,386,527,241/43,181,495.12 - Step 6: Final answer
x = 23,281,393.66
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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.