Finding the Fourth Proportional to 19,681,953.96, 29,519,566.73 and 5,301,658.74
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Solution
The fourth proportional to 19,681,953.96, 29,519,566.73 and 5,301,658.74 is: 7,951,581.91
Step by Step Solution
- Step 1: Write the proportion equation
19,681,953.96 : 29,519,566.73 = 5,301,658.74 : x - Step 2: Convert to fraction form
19,681,953.96/29,519,566.73 = 5,301,658.74/x - Step 3: Cross multiply
19,681,953.96x = 29,519,566.73 × 5,301,658.74 - Step 4: Simplify right side
19,681,953.96x = 156,502,669,059,189.03 - Step 5: Solve for x
x = 156,502,669,059,189.03/19,681,953.96 - Step 6: Final answer
x = 7,951,581.91
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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.