Finding the Fourth Proportional to 45,207,868.21, 67,805,417.68 and 14,498,457.07
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Solution
The fourth proportional to 45,207,868.21, 67,805,417.68 and 14,498,457.07 is: 21,745,638.01
Step by Step Solution
- Step 1: Write the proportion equation
45,207,868.21 : 67,805,417.68 = 14,498,457.07 : x - Step 2: Convert to fraction form
45,207,868.21/67,805,417.68 = 14,498,457.07/x - Step 3: Cross multiply
45,207,868.21x = 67,805,417.68 × 14,498,457.07 - Step 4: Simplify right side
45,207,868.21x = 983,073,937,346,899.12 - Step 5: Solve for x
x = 983,073,937,346,899.12/45,207,868.21 - Step 6: Final answer
x = 21,745,638.01
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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.