Finding the Fourth Proportional to 58,070,985.08, 87,106,461.96 and 21,682,213.11
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Solution
The fourth proportional to 58,070,985.08, 87,106,461.96 and 21,682,213.11 is: 32,523,313.82
Step by Step Solution
- Step 1: Write the proportion equation
58,070,985.08 : 87,106,461.96 = 21,682,213.11 : x - Step 2: Convert to fraction form
58,070,985.08/87,106,461.96 = 21,682,213.11/x - Step 3: Cross multiply
58,070,985.08x = 87,106,461.96 × 21,682,213.11 - Step 4: Simplify right side
58,070,985.08x = 1,888,660,871,474,828 - Step 5: Solve for x
x = 1,888,660,871,474,828/58,070,985.08 - Step 6: Final answer
x = 32,523,313.82
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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.