Finding the Fourth Proportional to 19,239,357.48, 26,537,539.86 and 12,372,527.40
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Solution
The fourth proportional to 19,239,357.48, 26,537,539.86 and 12,372,527.40 is: 17,065,873.40
Step by Step Solution
- Step 1: Write the proportion equation
19,239,357.48 : 26,537,539.86 = 12,372,527.40 : x - Step 2: Convert to fraction form
19,239,357.48/26,537,539.86 = 12,372,527.40/x - Step 3: Cross multiply
19,239,357.48x = 26,537,539.86 × 12,372,527.40 - Step 4: Simplify right side
19,239,357.48x = 328,336,439,046,442.19 - Step 5: Solve for x
x = 328,336,439,046,442.19/19,239,357.48 - Step 6: Final answer
x = 17,065,873.40
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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.