Finding the Fourth Proportional to 11,781,461.19, 16,258,513.59 and 6,624,777.63
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Solution
The fourth proportional to 11,781,461.19, 16,258,513.59 and 6,624,777.63 is: 9,142,247.76
Step by Step Solution
- Step 1: Write the proportion equation
11,781,461.19 : 16,258,513.59 = 6,624,777.63 : x - Step 2: Convert to fraction form
11,781,461.19/16,258,513.59 = 6,624,777.63/x - Step 3: Cross multiply
11,781,461.19x = 16,258,513.59 × 6,624,777.63 - Step 4: Simplify right side
11,781,461.19x = 107,709,037,128,082.98 - Step 5: Solve for x
x = 107,709,037,128,082.98/11,781,461.19 - Step 6: Final answer
x = 9,142,247.76
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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.