Finding the Fourth Proportional to 19,710,329.40, 29,551,497.30 and 7,575,103.80
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Solution
The fourth proportional to 19,710,329.40, 29,551,497.30 and 7,575,103.80 is: 11,357,276.43
Step by Step Solution
- Step 1: Write the proportion equation
19,710,329.40 : 29,551,497.30 = 7,575,103.80 : x - Step 2: Convert to fraction form
19,710,329.40/29,551,497.30 = 7,575,103.80/x - Step 3: Cross multiply
19,710,329.40x = 29,551,497.30 × 7,575,103.80 - Step 4: Simplify right side
19,710,329.40x = 223,855,659,492,919.75 - Step 5: Solve for x
x = 223,855,659,492,919.75/19,710,329.40 - Step 6: Final answer
x = 11,357,276.43
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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.