Finding the Fourth Proportional to 13,124,398.46, 19,687,543.58 and 5,037,374.09
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Solution
The fourth proportional to 13,124,398.46, 19,687,543.58 and 5,037,374.09 is: 7,556,424.19
Step by Step Solution
- Step 1: Write the proportion equation
13,124,398.46 : 19,687,543.58 = 5,037,374.09 : x - Step 2: Convert to fraction form
13,124,398.46/19,687,543.58 = 5,037,374.09/x - Step 3: Cross multiply
13,124,398.46x = 19,687,543.58 × 5,037,374.09 - Step 4: Simplify right side
13,124,398.46x = 99,173,521,987,450.14 - Step 5: Solve for x
x = 99,173,521,987,450.14/13,124,398.46 - Step 6: Final answer
x = 7,556,424.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.