Finding the Fourth Proportional to 19,343,307.51, 29,013,911.42 and 5,879,085.75
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Solution
The fourth proportional to 19,343,307.51, 29,013,911.42 and 5,879,085.75 is: 8,818,309.54
Step by Step Solution
- Step 1: Write the proportion equation
19,343,307.51 : 29,013,911.42 = 5,879,085.75 : x - Step 2: Convert to fraction form
19,343,307.51/29,013,911.42 = 5,879,085.75/x - Step 3: Cross multiply
19,343,307.51x = 29,013,911.42 × 5,879,085.75 - Step 4: Simplify right side
19,343,307.51x = 170,575,273,151,688.84 - Step 5: Solve for x
x = 170,575,273,151,688.84/19,343,307.51 - Step 6: Final answer
x = 8,818,309.54
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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.