Finding the Fourth Proportional to 30,781,188.48, 46,171,316.16 and 10,586,605.44
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Solution
The fourth proportional to 30,781,188.48, 46,171,316.16 and 10,586,605.44 is: 15,879,747.70
Step by Step Solution
- Step 1: Write the proportion equation
30,781,188.48 : 46,171,316.16 = 10,586,605.44 : x - Step 2: Convert to fraction form
30,781,188.48/46,171,316.16 = 10,586,605.44/x - Step 3: Cross multiply
30,781,188.48x = 46,171,316.16 × 10,586,605.44 - Step 4: Simplify right side
30,781,188.48x = 488,797,506,831,415.88 - Step 5: Solve for x
x = 488,797,506,831,415.88/30,781,188.48 - Step 6: Final answer
x = 15,879,747.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.