Finding the Fourth Proportional to 15,589,985.10, 23,358,405.60 and 13,304,788.80
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Solution
The fourth proportional to 15,589,985.10, 23,358,405.60 and 13,304,788.80 is: 19,934,506.11
Step by Step Solution
- Step 1: Write the proportion equation
15,589,985.10 : 23,358,405.60 = 13,304,788.80 : x - Step 2: Convert to fraction form
15,589,985.10/23,358,405.60 = 13,304,788.80/x - Step 3: Cross multiply
15,589,985.10x = 23,358,405.60 × 13,304,788.80 - Step 4: Simplify right side
15,589,985.10x = 310,778,653,212,737.31 - Step 5: Solve for x
x = 310,778,653,212,737.31/15,589,985.10 - Step 6: Final answer
x = 19,934,506.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.