Finding the Fourth Proportional to 42,705,682.68, 64,060,295.58 and 12,413,545.68
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Solution
The fourth proportional to 42,705,682.68, 64,060,295.58 and 12,413,545.68 is: 18,620,833.47
Step by Step Solution
- Step 1: Write the proportion equation
42,705,682.68 : 64,060,295.58 = 12,413,545.68 : x - Step 2: Convert to fraction form
42,705,682.68/64,060,295.58 = 12,413,545.68/x - Step 3: Cross multiply
42,705,682.68x = 64,060,295.58 × 12,413,545.68 - Step 4: Simplify right side
42,705,682.68x = 795,215,405,456,632 - Step 5: Solve for x
x = 795,215,405,456,632/42,705,682.68 - Step 6: Final answer
x = 18,620,833.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.