Finding the Fourth Proportional to 10,276,679.10, 14,180,014.68 and 5,864,390.19
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Solution
The fourth proportional to 10,276,679.10, 14,180,014.68 and 5,864,390.19 is: 8,091,829.88
Step by Step Solution
- Step 1: Write the proportion equation
10,276,679.10 : 14,180,014.68 = 5,864,390.19 : x - Step 2: Convert to fraction form
10,276,679.10/14,180,014.68 = 5,864,390.19/x - Step 3: Cross multiply
10,276,679.10x = 14,180,014.68 × 5,864,390.19 - Step 4: Simplify right side
10,276,679.10x = 83,157,139,023,683.08 - Step 5: Solve for x
x = 83,157,139,023,683.08/10,276,679.10 - Step 6: Final answer
x = 8,091,829.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.