Finding the Fourth Proportional to 21,602,364.66, 32,411,710.62 and 12,972,481.61
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Solution
The fourth proportional to 21,602,364.66, 32,411,710.62 and 12,972,481.61 is: 19,463,624.77
Step by Step Solution
- Step 1: Write the proportion equation
21,602,364.66 : 32,411,710.62 = 12,972,481.61 : x - Step 2: Convert to fraction form
21,602,364.66/32,411,710.62 = 12,972,481.61/x - Step 3: Cross multiply
21,602,364.66x = 32,411,710.62 × 12,972,481.61 - Step 4: Simplify right side
21,602,364.66x = 420,460,319,804,533.19 - Step 5: Solve for x
x = 420,460,319,804,533.19/21,602,364.66 - Step 6: Final answer
x = 19,463,624.77
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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.