Finding the Fourth Proportional to 19,476,656.10, 29,214,984.15 and 18,732,638.70
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Solution
The fourth proportional to 19,476,656.10, 29,214,984.15 and 18,732,638.70 is: 28,098,958.05
Step by Step Solution
- Step 1: Write the proportion equation
19,476,656.10 : 29,214,984.15 = 18,732,638.70 : x - Step 2: Convert to fraction form
19,476,656.10/29,214,984.15 = 18,732,638.70/x - Step 3: Cross multiply
19,476,656.10x = 29,214,984.15 × 18,732,638.70 - Step 4: Simplify right side
19,476,656.10x = 547,273,742,708,176.56 - Step 5: Solve for x
x = 547,273,742,708,176.56/19,476,656.10 - Step 6: Final answer
x = 28,098,958.05
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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.