Finding the Fourth Proportional to 56,513,875.20, 84,770,812.80 and 13,963,603.20
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Solution
The fourth proportional to 56,513,875.20, 84,770,812.80 and 13,963,603.20 is: 20,945,404.80
Step by Step Solution
- Step 1: Write the proportion equation
56,513,875.20 : 84,770,812.80 = 13,963,603.20 : x - Step 2: Convert to fraction form
56,513,875.20/84,770,812.80 = 13,963,603.20/x - Step 3: Cross multiply
56,513,875.20x = 84,770,812.80 × 13,963,603.20 - Step 4: Simplify right side
56,513,875.20x = 1,183,705,992,880,680.75 - Step 5: Solve for x
x = 1,183,705,992,880,680.75/56,513,875.20 - Step 6: Final answer
x = 20,945,404.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.