Finding the Fourth Proportional to 29,506,012.16, 40,701,950.56 and 20,698,576.44
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Solution
The fourth proportional to 29,506,012.16, 40,701,950.56 and 20,698,576.44 is: 28,552,568.56
Step by Step Solution
- Step 1: Write the proportion equation
29,506,012.16 : 40,701,950.56 = 20,698,576.44 : x - Step 2: Convert to fraction form
29,506,012.16/40,701,950.56 = 20,698,576.44/x - Step 3: Cross multiply
29,506,012.16x = 40,701,950.56 × 20,698,576.44 - Step 4: Simplify right side
29,506,012.16x = 842,472,434,973,269.12 - Step 5: Solve for x
x = 842,472,434,973,269.12/29,506,012.16 - Step 6: Final answer
x = 28,552,568.56
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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.