Finding the Fourth Proportional to 30,758,966.80, 46,101,125.40 and 13,701,533.20
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Solution
The fourth proportional to 30,758,966.80, 46,101,125.40 and 13,701,533.20 is: 20,535,673.53
Step by Step Solution
- Step 1: Write the proportion equation
30,758,966.80 : 46,101,125.40 = 13,701,533.20 : x - Step 2: Convert to fraction form
30,758,966.80/46,101,125.40 = 13,701,533.20/x - Step 3: Cross multiply
30,758,966.80x = 46,101,125.40 × 13,701,533.20 - Step 4: Simplify right side
30,758,966.80x = 631,656,100,225,463.25 - Step 5: Solve for x
x = 631,656,100,225,463.25/30,758,966.80 - Step 6: Final answer
x = 20,535,673.53
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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.