Finding the Fourth Proportional to 15,311,617.98, 22,970,722.08 and 7,639,388.70
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Solution
The fourth proportional to 15,311,617.98, 22,970,722.08 and 7,639,388.70 is: 11,460,727.07
Step by Step Solution
- Step 1: Write the proportion equation
15,311,617.98 : 22,970,722.08 = 7,639,388.70 : x - Step 2: Convert to fraction form
15,311,617.98/22,970,722.08 = 7,639,388.70/x - Step 3: Cross multiply
15,311,617.98x = 22,970,722.08 × 7,639,388.70 - Step 4: Simplify right side
15,311,617.98x = 175,482,274,688,792.50 - Step 5: Solve for x
x = 175,482,274,688,792.50/15,311,617.98 - Step 6: Final answer
x = 11,460,727.07
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1.5x scale
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.