Finding the Fourth Proportional to 19,358,068.12, 26,719,775.24 and 12,653,374.73
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Solution
The fourth proportional to 19,358,068.12, 26,719,775.24 and 12,653,374.73 is: 17,465,344.50
Step by Step Solution
- Step 1: Write the proportion equation
19,358,068.12 : 26,719,775.24 = 12,653,374.73 : x - Step 2: Convert to fraction form
19,358,068.12/26,719,775.24 = 12,653,374.73/x - Step 3: Cross multiply
19,358,068.12x = 26,719,775.24 × 12,653,374.73 - Step 4: Simplify right side
19,358,068.12x = 338,095,328,616,229.94 - Step 5: Solve for x
x = 338,095,328,616,229.94/19,358,068.12 - Step 6: Final answer
x = 17,465,344.50
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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.