Finding the Fourth Proportional to 67,615,312.88, 101,426,896.14 and 19,089,104.66
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Solution
The fourth proportional to 67,615,312.88, 101,426,896.14 and 19,089,104.66 is: 28,634,765.61
Step by Step Solution
- Step 1: Write the proportion equation
67,615,312.88 : 101,426,896.14 = 19,089,104.66 : x - Step 2: Convert to fraction form
67,615,312.88/101,426,896.14 = 19,089,104.66/x - Step 3: Cross multiply
67,615,312.88x = 101,426,896.14 × 19,089,104.66 - Step 4: Simplify right side
67,615,312.88x = 1,936,148,635,755,410 - Step 5: Solve for x
x = 1,936,148,635,755,410/67,615,312.88 - Step 6: Final answer
x = 28,634,765.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.