Finding the Fourth Proportional to 18,337,378.76, 27,506,981.76 and 6,978,707.72
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Solution
The fourth proportional to 18,337,378.76, 27,506,981.76 and 6,978,707.72 is: 10,468,409.28
Step by Step Solution
- Step 1: Write the proportion equation
18,337,378.76 : 27,506,981.76 = 6,978,707.72 : x - Step 2: Convert to fraction form
18,337,378.76/27,506,981.76 = 6,978,707.72/x - Step 3: Cross multiply
18,337,378.76x = 27,506,981.76 × 6,978,707.72 - Step 4: Simplify right side
18,337,378.76x = 191,963,185,962,411.19 - Step 5: Solve for x
x = 191,963,185,962,411.19/18,337,378.76 - Step 6: Final answer
x = 10,468,409.28
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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.