Finding the Fourth Proportional to 14,432,774.09, 19,917,069.71 and 7,817,197.95
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Solution
The fourth proportional to 14,432,774.09, 19,917,069.71 and 7,817,197.95 is: 10,787,647.31
Step by Step Solution
- Step 1: Write the proportion equation
14,432,774.09 : 19,917,069.71 = 7,817,197.95 : x - Step 2: Convert to fraction form
14,432,774.09/19,917,069.71 = 7,817,197.95/x - Step 3: Cross multiply
14,432,774.09x = 19,917,069.71 × 7,817,197.95 - Step 4: Simplify right side
14,432,774.09x = 155,695,676,467,933.09 - Step 5: Solve for x
x = 155,695,676,467,933.09/14,432,774.09 - Step 6: Final answer
x = 10,787,647.31
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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.