Finding the Fourth Proportional to 28,453,203.84, 39,266,372.94 and 17,437,824.96
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Solution
The fourth proportional to 28,453,203.84, 39,266,372.94 and 17,437,824.96 is: 24,064,781.67
Step by Step Solution
- Step 1: Write the proportion equation
28,453,203.84 : 39,266,372.94 = 17,437,824.96 : x - Step 2: Convert to fraction form
28,453,203.84/39,266,372.94 = 17,437,824.96/x - Step 3: Cross multiply
28,453,203.84x = 39,266,372.94 × 17,437,824.96 - Step 4: Simplify right side
28,453,203.84x = 684,720,138,141,800.62 - Step 5: Solve for x
x = 684,720,138,141,800.62/28,453,203.84 - Step 6: Final answer
x = 24,064,781.67
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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.