Finding the Fourth Proportional to 19,541,623.61, 29,312,684.87 and 5,164,567.19
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Solution
The fourth proportional to 19,541,623.61, 29,312,684.87 and 5,164,567.19 is: 7,746,916.71
Step by Step Solution
- Step 1: Write the proportion equation
19,541,623.61 : 29,312,684.87 = 5,164,567.19 : x - Step 2: Convert to fraction form
19,541,623.61/29,312,684.87 = 5,164,567.19/x - Step 3: Cross multiply
19,541,623.61x = 29,312,684.87 × 5,164,567.19 - Step 4: Simplify right side
19,541,623.61x = 151,387,330,467,947.72 - Step 5: Solve for x
x = 151,387,330,467,947.72/19,541,623.61 - Step 6: Final answer
x = 7,746,916.71
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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.