Finding the Fourth Proportional to 15,583,106.80, 23,374,659.84 and 4,223,555.20
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Solution
The fourth proportional to 15,583,106.80, 23,374,659.84 and 4,223,555.20 is: 6,335,332.70
Step by Step Solution
- Step 1: Write the proportion equation
15,583,106.80 : 23,374,659.84 = 4,223,555.20 : x - Step 2: Convert to fraction form
15,583,106.80/23,374,659.84 = 4,223,555.20/x - Step 3: Cross multiply
15,583,106.80x = 23,374,659.84 × 4,223,555.20 - Step 4: Simplify right side
15,583,106.80x = 98,724,166,115,463.17 - Step 5: Solve for x
x = 98,724,166,115,463.17/15,583,106.80 - Step 6: Final answer
x = 6,335,332.70
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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.