Finding the Fourth Proportional to 19,681,848.86, 29,519,408.50 and 5,301,553.63
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Solution
The fourth proportional to 19,681,848.86, 29,519,408.50 and 5,301,553.63 is: 7,951,424.10
Step by Step Solution
- Step 1: Write the proportion equation
19,681,848.86 : 29,519,408.50 = 5,301,553.63 : x - Step 2: Convert to fraction form
19,681,848.86/29,519,408.50 = 5,301,553.63/x - Step 3: Cross multiply
19,681,848.86x = 29,519,408.50 × 5,301,553.63 - Step 4: Simplify right side
19,681,848.86x = 156,498,727,294,204.84 - Step 5: Solve for x
x = 156,498,727,294,204.84/19,681,848.86 - Step 6: Final answer
x = 7,951,424.10
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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.