Finding the Fourth Proportional to 36,860,275.84, 50,877,298.08 and 21,395,342.80
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Solution
The fourth proportional to 36,860,275.84, 50,877,298.08 and 21,395,342.80 is: 29,531,445.66
Step by Step Solution
- Step 1: Write the proportion equation
36,860,275.84 : 50,877,298.08 = 21,395,342.80 : x - Step 2: Convert to fraction form
36,860,275.84/50,877,298.08 = 21,395,342.80/x - Step 3: Cross multiply
36,860,275.84x = 50,877,298.08 × 21,395,342.80 - Step 4: Simplify right side
36,860,275.84x = 1,088,537,233,159,381.88 - Step 5: Solve for x
x = 1,088,537,233,159,381.88/36,860,275.84 - Step 6: Final answer
x = 29,531,445.66
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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.