Finding the Fourth Proportional to 14,380,482.78, 19,845,656.70 and 8,268,911.28
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Solution
The fourth proportional to 14,380,482.78, 19,845,656.70 and 8,268,911.28 is: 11,411,437.09
Step by Step Solution
- Step 1: Write the proportion equation
14,380,482.78 : 19,845,656.70 = 8,268,911.28 : x - Step 2: Convert to fraction form
14,380,482.78/19,845,656.70 = 8,268,911.28/x - Step 3: Cross multiply
14,380,482.78x = 19,845,656.70 × 8,268,911.28 - Step 4: Simplify right side
14,380,482.78x = 164,101,974,545,637.56 - Step 5: Solve for x
x = 164,101,974,545,637.56/14,380,482.78 - Step 6: Final answer
x = 11,411,437.09
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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.