Finding the Fourth Proportional to 19,541,613.71, 29,312,670.01 and 5,164,557.28
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Solution
The fourth proportional to 19,541,613.71, 29,312,670.01 and 5,164,557.28 is: 7,746,901.85
Step by Step Solution
- Step 1: Write the proportion equation
19,541,613.71 : 29,312,670.01 = 5,164,557.28 : x - Step 2: Convert to fraction form
19,541,613.71/29,312,670.01 = 5,164,557.28/x - Step 3: Cross multiply
19,541,613.71x = 29,312,670.01 × 5,164,557.28 - Step 4: Simplify right side
19,541,613.71x = 151,386,963,296,383.19 - Step 5: Solve for x
x = 151,386,963,296,383.19/19,541,613.71 - Step 6: Final answer
x = 7,746,901.85
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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.