Finding the Fourth Proportional to 11,211,319.80, 16,806,482.10 and 8,781,125.40
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Solution
The fourth proportional to 11,211,319.80, 16,806,482.10 and 8,781,125.40 is: 13,163,465.99
Step by Step Solution
- Step 1: Write the proportion equation
11,211,319.80 : 16,806,482.10 = 8,781,125.40 : x - Step 2: Convert to fraction form
11,211,319.80/16,806,482.10 = 8,781,125.40/x - Step 3: Cross multiply
11,211,319.80x = 16,806,482.10 × 8,781,125.40 - Step 4: Simplify right side
11,211,319.80x = 147,579,826,852,955.34 - Step 5: Solve for x
x = 147,579,826,852,955.34/11,211,319.80 - Step 6: Final answer
x = 13,163,465.99
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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.