Finding the Fourth Proportional to 13,140,140.68, 19,710,259.53 and 4,042,175.26
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Solution
The fourth proportional to 13,140,140.68, 19,710,259.53 and 4,042,175.26 is: 6,063,277.81
Step by Step Solution
- Step 1: Write the proportion equation
13,140,140.68 : 19,710,259.53 = 4,042,175.26 : x - Step 2: Convert to fraction form
13,140,140.68/19,710,259.53 = 4,042,175.26/x - Step 3: Cross multiply
13,140,140.68x = 19,710,259.53 × 4,042,175.26 - Step 4: Simplify right side
13,140,140.68x = 79,672,323,440,345.23 - Step 5: Solve for x
x = 79,672,323,440,345.23/13,140,140.68 - Step 6: Final answer
x = 6,063,277.81
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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.