Finding the Fourth Proportional to 19,484,813.20, 29,235,514.20 and 12,301,862.80
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Solution
The fourth proportional to 19,484,813.20, 29,235,514.20 and 12,301,862.80 is: 18,458,030.92
Step by Step Solution
- Step 1: Write the proportion equation
19,484,813.20 : 29,235,514.20 = 12,301,862.80 : x - Step 2: Convert to fraction form
19,484,813.20/29,235,514.20 = 12,301,862.80/x - Step 3: Cross multiply
19,484,813.20x = 29,235,514.20 × 12,301,862.80 - Step 4: Simplify right side
19,484,813.20x = 359,651,284,575,851.75 - Step 5: Solve for x
x = 359,651,284,575,851.75/19,484,813.20 - Step 6: Final answer
x = 18,458,030.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.