Finding the Fourth Proportional to 14,144,350.64, 21,311,041.84 and 12,779,710.63
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Solution
The fourth proportional to 14,144,350.64, 21,311,041.84 and 12,779,710.63 is: 19,254,962.98
Step by Step Solution
- Step 1: Write the proportion equation
14,144,350.64 : 21,311,041.84 = 12,779,710.63 : x - Step 2: Convert to fraction form
14,144,350.64/21,311,041.84 = 12,779,710.63/x - Step 3: Cross multiply
14,144,350.64x = 21,311,041.84 × 12,779,710.63 - Step 4: Simplify right side
14,144,350.64x = 272,348,947,853,795.84 - Step 5: Solve for x
x = 272,348,947,853,795.84/14,144,350.64 - Step 6: Final answer
x = 19,254,962.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.