Finding the Fourth Proportional to 13,248,423.62, 19,872,633.81 and 4,272,975.62
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Solution
The fourth proportional to 13,248,423.62, 19,872,633.81 and 4,272,975.62 is: 6,409,462.91
Step by Step Solution
- Step 1: Write the proportion equation
13,248,423.62 : 19,872,633.81 = 4,272,975.62 : x - Step 2: Convert to fraction form
13,248,423.62/19,872,633.81 = 4,272,975.62/x - Step 3: Cross multiply
13,248,423.62x = 19,872,633.81 × 4,272,975.62 - Step 4: Simplify right side
13,248,423.62x = 84,915,279,775,317.70 - Step 5: Solve for x
x = 84,915,279,775,317.70/13,248,423.62 - Step 6: Final answer
x = 6,409,462.91
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1.5x scale
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.