Finding the Fourth Proportional to 45,553,508.70, 62,806,818.36 and 38,020,447.32
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Solution
The fourth proportional to 45,553,508.70, 62,806,818.36 and 38,020,447.32 is: 52,420,623.50
Step by Step Solution
- Step 1: Write the proportion equation
45,553,508.70 : 62,806,818.36 = 38,020,447.32 : x - Step 2: Convert to fraction form
45,553,508.70/62,806,818.36 = 38,020,447.32/x - Step 3: Cross multiply
45,553,508.70x = 62,806,818.36 × 38,020,447.32 - Step 4: Simplify right side
45,553,508.70x = 2,387,943,328,793,189 - Step 5: Solve for x
x = 2,387,943,328,793,189/45,553,508.70 - Step 6: Final answer
x = 52,420,623.50
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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.