Finding the Fourth Proportional to 35,090,342.74, 48,421,423.23 and 19,409,029.75
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Solution
The fourth proportional to 35,090,342.74, 48,421,423.23 and 19,409,029.75 is: 26,782,663.57
Step by Step Solution
- Step 1: Write the proportion equation
35,090,342.74 : 48,421,423.23 = 19,409,029.75 : x - Step 2: Convert to fraction form
35,090,342.74/48,421,423.23 = 19,409,029.75/x - Step 3: Cross multiply
35,090,342.74x = 48,421,423.23 × 19,409,029.75 - Step 4: Simplify right side
35,090,342.74x = 939,812,844,008,411 - Step 5: Solve for x
x = 939,812,844,008,411/35,090,342.74 - Step 6: Final answer
x = 26,782,663.57
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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.