Finding the Fourth Proportional to 27,395,607.67, 37,787,730.47 and 17,618,420.05
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Solution
The fourth proportional to 27,395,607.67, 37,787,730.47 and 17,618,420.05 is: 24,301,709.82
Step by Step Solution
- Step 1: Write the proportion equation
27,395,607.67 : 37,787,730.47 = 17,618,420.05 : x - Step 2: Convert to fraction form
27,395,607.67/37,787,730.47 = 17,618,420.05/x - Step 3: Cross multiply
27,395,607.67x = 37,787,730.47 × 17,618,420.05 - Step 4: Simplify right side
27,395,607.67x = 665,760,108,068,551.88 - Step 5: Solve for x
x = 665,760,108,068,551.88/27,395,607.67 - Step 6: Final answer
x = 24,301,709.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.