Finding the Fourth Proportional to 23,653,132.74, 32,641,372.44 and 12,788,116.74
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Solution
The fourth proportional to 23,653,132.74, 32,641,372.44 and 12,788,116.74 is: 17,647,627.73
Step by Step Solution
- Step 1: Write the proportion equation
23,653,132.74 : 32,641,372.44 = 12,788,116.74 : x - Step 2: Convert to fraction form
23,653,132.74/32,641,372.44 = 12,788,116.74/x - Step 3: Cross multiply
23,653,132.74x = 32,641,372.44 × 12,788,116.74 - Step 4: Simplify right side
23,653,132.74x = 417,421,681,316,538.69 - Step 5: Solve for x
x = 417,421,681,316,538.69/23,653,132.74 - Step 6: Final answer
x = 17,647,627.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.