Finding the Fourth Proportional to 15,908,848.30, 21,953,592.63 and 9,724,250.17
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Solution
The fourth proportional to 15,908,848.30, 21,953,592.63 and 9,724,250.17 is: 13,419,087.47
Step by Step Solution
- Step 1: Write the proportion equation
15,908,848.30 : 21,953,592.63 = 9,724,250.17 : x - Step 2: Convert to fraction form
15,908,848.30/21,953,592.63 = 9,724,250.17/x - Step 3: Cross multiply
15,908,848.30x = 21,953,592.63 × 9,724,250.17 - Step 4: Simplify right side
15,908,848.30x = 213,482,226,809,504.25 - Step 5: Solve for x
x = 213,482,226,809,504.25/15,908,848.30 - Step 6: Final answer
x = 13,419,087.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.