Finding the Fourth Proportional to 19,686,598.79, 29,531,317.05 and 7,556,062.28
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Solution
The fourth proportional to 19,686,598.79, 29,531,317.05 and 7,556,062.28 is: 11,334,638.00
Step by Step Solution
- Step 1: Write the proportion equation
19,686,598.79 : 29,531,317.05 = 7,556,062.28 : x - Step 2: Convert to fraction form
19,686,598.79/29,531,317.05 = 7,556,062.28/x - Step 3: Cross multiply
19,686,598.79x = 29,531,317.05 × 7,556,062.28 - Step 4: Simplify right side
19,686,598.79x = 223,140,470,692,569.31 - Step 5: Solve for x
x = 223,140,470,692,569.31/19,686,598.79 - Step 6: Final answer
x = 11,334,638.00
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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.