Finding the Fourth Proportional to 12,947,266.72, 19,420,894.68 and 3,849,324.94
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Solution
The fourth proportional to 12,947,266.72, 19,420,894.68 and 3,849,324.94 is: 5,773,985.80
Step by Step Solution
- Step 1: Write the proportion equation
12,947,266.72 : 19,420,894.68 = 3,849,324.94 : x - Step 2: Convert to fraction form
12,947,266.72/19,420,894.68 = 3,849,324.94/x - Step 3: Cross multiply
12,947,266.72x = 19,420,894.68 × 3,849,324.94 - Step 4: Simplify right side
12,947,266.72x = 74,757,334,248,837.31 - Step 5: Solve for x
x = 74,757,334,248,837.31/12,947,266.72 - Step 6: Final answer
x = 5,773,985.80
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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.