Finding the Fourth Proportional to 34,838,326.96, 48,077,077.98 and 19,158,362.08
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Solution
The fourth proportional to 34,838,326.96, 48,077,077.98 and 19,158,362.08 is: 26,438,642.38
Step by Step Solution
- Step 1: Write the proportion equation
34,838,326.96 : 48,077,077.98 = 19,158,362.08 : x - Step 2: Convert to fraction form
34,838,326.96/48,077,077.98 = 19,158,362.08/x - Step 3: Cross multiply
34,838,326.96x = 48,077,077.98 × 19,158,362.08 - Step 4: Simplify right side
34,838,326.96x = 921,078,067,689,234.88 - Step 5: Solve for x
x = 921,078,067,689,234.88/34,838,326.96 - Step 6: Final answer
x = 26,438,642.38
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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.