Finding the Fourth Proportional to 28,088,821.92, 42,138,488.16 and 8,924,403.36
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Solution
The fourth proportional to 28,088,821.92, 42,138,488.16 and 8,924,403.36 is: 13,388,274.75
Step by Step Solution
- Step 1: Write the proportion equation
28,088,821.92 : 42,138,488.16 = 8,924,403.36 : x - Step 2: Convert to fraction form
28,088,821.92/42,138,488.16 = 8,924,403.36/x - Step 3: Cross multiply
28,088,821.92x = 42,138,488.16 × 8,924,403.36 - Step 4: Simplify right side
28,088,821.92x = 376,060,865,320,424.19 - Step 5: Solve for x
x = 376,060,865,320,424.19/28,088,821.92 - Step 6: Final answer
x = 13,388,274.75
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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.