Finding the Fourth Proportional to 7,128,023.70, 10,692,035.55 and 6,708,119.70
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Solution
The fourth proportional to 7,128,023.70, 10,692,035.55 and 6,708,119.70 is: 10,062,179.55
Step by Step Solution
- Step 1: Write the proportion equation
7,128,023.70 : 10,692,035.55 = 6,708,119.70 : x - Step 2: Convert to fraction form
7,128,023.70/10,692,035.55 = 6,708,119.70/x - Step 3: Cross multiply
7,128,023.70x = 10,692,035.55 × 6,708,119.70 - Step 4: Simplify right side
7,128,023.70x = 71,723,454,306,055.34 - Step 5: Solve for x
x = 71,723,454,306,055.34/7,128,023.70 - Step 6: Final answer
x = 10,062,179.55
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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.