Finding the Fourth Proportional to 43,684,330.80, 65,526,496.20 and 19,423,210.80
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Solution
The fourth proportional to 43,684,330.80, 65,526,496.20 and 19,423,210.80 is: 29,134,816.20
Step by Step Solution
- Step 1: Write the proportion equation
43,684,330.80 : 65,526,496.20 = 19,423,210.80 : x - Step 2: Convert to fraction form
43,684,330.80/65,526,496.20 = 19,423,210.80/x - Step 3: Cross multiply
43,684,330.80x = 65,526,496.20 × 19,423,210.80 - Step 4: Simplify right side
43,684,330.80x = 1,272,734,948,677,999 - Step 5: Solve for x
x = 1,272,734,948,677,999/43,684,330.80 - Step 6: Final answer
x = 29,134,816.20
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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.