Finding the Fourth Proportional to 40,878,722.45, 61,343,611.53 and 27,241,437.91
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Solution
The fourth proportional to 40,878,722.45, 61,343,611.53 and 27,241,437.91 is: 40,879,168.53
Step by Step Solution
- Step 1: Write the proportion equation
40,878,722.45 : 61,343,611.53 = 27,241,437.91 : x - Step 2: Convert to fraction form
40,878,722.45/61,343,611.53 = 27,241,437.91/x - Step 3: Cross multiply
40,878,722.45x = 61,343,611.53 × 27,241,437.91 - Step 4: Simplify right side
40,878,722.45x = 1,671,088,184,362,937.25 - Step 5: Solve for x
x = 1,671,088,184,362,937.25/40,878,722.45 - Step 6: Final answer
x = 40,879,168.53
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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.