Finding the Fourth Proportional to 14,460,679.86, 19,955,776.11 and 7,845,267.98
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Solution
The fourth proportional to 14,460,679.86, 19,955,776.11 and 7,845,267.98 is: 10,826,490.37
Step by Step Solution
- Step 1: Write the proportion equation
14,460,679.86 : 19,955,776.11 = 7,845,267.98 : x - Step 2: Convert to fraction form
14,460,679.86/19,955,776.11 = 7,845,267.98/x - Step 3: Cross multiply
14,460,679.86x = 19,955,776.11 × 7,845,267.98 - Step 4: Simplify right side
14,460,679.86x = 156,558,411,192,826.72 - Step 5: Solve for x
x = 156,558,411,192,826.72/14,460,679.86 - Step 6: Final answer
x = 10,826,490.37
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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.