Finding the Fourth Proportional to 34,180,576.68, 47,166,206.88 and 20,239,430.76
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Solution
The fourth proportional to 34,180,576.68, 47,166,206.88 and 20,239,430.76 is: 27,928,644.60
Step by Step Solution
- Step 1: Write the proportion equation
34,180,576.68 : 47,166,206.88 = 20,239,430.76 : x - Step 2: Convert to fraction form
34,180,576.68/47,166,206.88 = 20,239,430.76/x - Step 3: Cross multiply
34,180,576.68x = 47,166,206.88 × 20,239,430.76 - Step 4: Simplify right side
34,180,576.68x = 954,617,178,359,595.75 - Step 5: Solve for x
x = 954,617,178,359,595.75/34,180,576.68 - Step 6: Final answer
x = 27,928,644.60
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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.