Finding the Fourth Proportional to 48,551,737.12, 72,818,831.82 and 13,999,643.80
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Solution
The fourth proportional to 48,551,737.12, 72,818,831.82 and 13,999,643.80 is: 20,996,935.80
Step by Step Solution
- Step 1: Write the proportion equation
48,551,737.12 : 72,818,831.82 = 13,999,643.80 : x - Step 2: Convert to fraction form
48,551,737.12/72,818,831.82 = 13,999,643.80/x - Step 3: Cross multiply
48,551,737.12x = 72,818,831.82 × 13,999,643.80 - Step 4: Simplify right side
48,551,737.12x = 1,019,437,707,412,105.62 - Step 5: Solve for x
x = 1,019,437,707,412,105.62/48,551,737.12 - Step 6: Final answer
x = 20,996,935.80
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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.