Finding the Fourth Proportional to 19,574,809.80, 29,362,214.70 and 16,740,457.80
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Solution
The fourth proportional to 19,574,809.80, 29,362,214.70 and 16,740,457.80 is: 25,110,686.70
Step by Step Solution
- Step 1: Write the proportion equation
19,574,809.80 : 29,362,214.70 = 16,740,457.80 : x - Step 2: Convert to fraction form
19,574,809.80/29,362,214.70 = 16,740,457.80/x - Step 3: Cross multiply
19,574,809.80x = 29,362,214.70 × 16,740,457.80 - Step 4: Simplify right side
19,574,809.80x = 491,536,916,099,889.69 - Step 5: Solve for x
x = 491,536,916,099,889.69/19,574,809.80 - Step 6: Final answer
x = 25,110,686.70
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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.