Finding the Fourth Proportional to 15,486,204, 21,373,636.62 and 8,963,430
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Solution
The fourth proportional to 15,486,204, 21,373,636.62 and 8,963,430 is: 12,371,081.75
Step by Step Solution
- Step 1: Write the proportion equation
15,486,204 : 21,373,636.62 = 8,963,430 : x - Step 2: Convert to fraction form
15,486,204/21,373,636.62 = 8,963,430/x - Step 3: Cross multiply
15,486,204x = 21,373,636.62 × 8,963,430 - Step 4: Simplify right side
15,486,204x = 191,581,095,688,806.59 - Step 5: Solve for x
x = 191,581,095,688,806.59/15,486,204 - Step 6: Final answer
x = 12,371,081.75
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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.