Finding the Fourth Proportional to 14,330,455.42, 19,775,132.68 and 7,891,927.42
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Solution
The fourth proportional to 14,330,455.42, 19,775,132.68 and 7,891,927.42 is: 10,890,366.51
Step by Step Solution
- Step 1: Write the proportion equation
14,330,455.42 : 19,775,132.68 = 7,891,927.42 : x - Step 2: Convert to fraction form
14,330,455.42/19,775,132.68 = 7,891,927.42/x - Step 3: Cross multiply
14,330,455.42x = 19,775,132.68 × 7,891,927.42 - Step 4: Simplify right side
14,330,455.42x = 156,063,911,712,824.59 - Step 5: Solve for x
x = 156,063,911,712,824.59/14,330,455.42 - Step 6: Final answer
x = 10,890,366.51
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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.