Finding the Fourth Proportional to 8,710,261.14, 12,020,833.68 and 5,225,731.05
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Solution
The fourth proportional to 8,710,261.14, 12,020,833.68 and 5,225,731.05 is: 7,211,912.80
Step by Step Solution
- Step 1: Write the proportion equation
8,710,261.14 : 12,020,833.68 = 5,225,731.05 : x - Step 2: Convert to fraction form
8,710,261.14/12,020,833.68 = 5,225,731.05/x - Step 3: Cross multiply
8,710,261.14x = 12,020,833.68 × 5,225,731.05 - Step 4: Simplify right side
8,710,261.14x = 62,817,643,808,461.76 - Step 5: Solve for x
x = 62,817,643,808,461.76/8,710,261.14 - Step 6: Final answer
x = 7,211,912.80
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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.