Finding the Fourth Proportional to 28,749,565.17, 39,677,879.16 and 16,362,670.55
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Solution
The fourth proportional to 28,749,565.17, 39,677,879.16 and 16,362,670.55 is: 22,582,465.54
Step by Step Solution
- Step 1: Write the proportion equation
28,749,565.17 : 39,677,879.16 = 16,362,670.55 : x - Step 2: Convert to fraction form
28,749,565.17/39,677,879.16 = 16,362,670.55/x - Step 3: Cross multiply
28,749,565.17x = 39,677,879.16 × 16,362,670.55 - Step 4: Simplify right side
28,749,565.17x = 649,236,064,619,401.25 - Step 5: Solve for x
x = 649,236,064,619,401.25/28,749,565.17 - Step 6: Final answer
x = 22,582,465.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.