Finding the Fourth Proportional to 23,579,368.79, 32,539,521.60 and 13,125,157.92
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Solution
The fourth proportional to 23,579,368.79, 32,539,521.60 and 13,125,157.92 is: 18,112,713.85
Step by Step Solution
- Step 1: Write the proportion equation
23,579,368.79 : 32,539,521.60 = 13,125,157.92 : x - Step 2: Convert to fraction form
23,579,368.79/32,539,521.60 = 13,125,157.92/x - Step 3: Cross multiply
23,579,368.79x = 32,539,521.60 × 13,125,157.92 - Step 4: Simplify right side
23,579,368.79x = 427,086,359,641,251.06 - Step 5: Solve for x
x = 427,086,359,641,251.06/23,579,368.79 - Step 6: Final answer
x = 18,112,713.85
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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.