Finding the Fourth Proportional to 38,220,113.46, 52,740,516.67 and 21,473,541.87
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Solution
The fourth proportional to 38,220,113.46, 52,740,516.67 and 21,473,541.87 is: 29,631,667.48
Step by Step Solution
- Step 1: Write the proportion equation
38,220,113.46 : 52,740,516.67 = 21,473,541.87 : x - Step 2: Convert to fraction form
38,220,113.46/52,740,516.67 = 21,473,541.87/x - Step 3: Cross multiply
38,220,113.46x = 52,740,516.67 × 21,473,541.87 - Step 4: Simplify right side
38,220,113.46x = 1,132,525,692,958,678 - Step 5: Solve for x
x = 1,132,525,692,958,678/38,220,113.46 - Step 6: Final answer
x = 29,631,667.48
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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.