Finding the Fourth Proportional to 8,889,790.70, 13,334,686.05 and 8,748,073.10
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Solution
The fourth proportional to 8,889,790.70, 13,334,686.05 and 8,748,073.10 is: 13,122,109.65
Step by Step Solution
- Step 1: Write the proportion equation
8,889,790.70 : 13,334,686.05 = 8,748,073.10 : x - Step 2: Convert to fraction form
8,889,790.70/13,334,686.05 = 8,748,073.10/x - Step 3: Cross multiply
8,889,790.70x = 13,334,686.05 × 8,748,073.10 - Step 4: Simplify right side
8,889,790.70x = 116,652,808,330,950.25 - Step 5: Solve for x
x = 116,652,808,330,950.25/8,889,790.70 - Step 6: Final answer
x = 13,122,109.65
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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.