Finding the Fourth Proportional to 23,290,588.56, 32,140,583.64 and 12,977,089.68
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Solution
The fourth proportional to 23,290,588.56, 32,140,583.64 and 12,977,089.68 is: 17,908,144.97
Step by Step Solution
- Step 1: Write the proportion equation
23,290,588.56 : 32,140,583.64 = 12,977,089.68 : x - Step 2: Convert to fraction form
23,290,588.56/32,140,583.64 = 12,977,089.68/x - Step 3: Cross multiply
23,290,588.56x = 32,140,583.64 × 12,977,089.68 - Step 4: Simplify right side
23,290,588.56x = 417,091,236,263,820.81 - Step 5: Solve for x
x = 417,091,236,263,820.81/23,290,588.56 - Step 6: Final answer
x = 17,908,144.97
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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.