Finding the Fourth Proportional to 12,953,977.50, 19,437,691.12 and 5,283,249.96
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Solution
The fourth proportional to 12,953,977.50, 19,437,691.12 and 5,283,249.96 is: 7,927,617.66
Step by Step Solution
- Step 1: Write the proportion equation
12,953,977.50 : 19,437,691.12 = 5,283,249.96 : x - Step 2: Convert to fraction form
12,953,977.50/19,437,691.12 = 5,283,249.96/x - Step 3: Cross multiply
12,953,977.50x = 19,437,691.12 × 5,283,249.96 - Step 4: Simplify right side
12,953,977.50x = 102,694,180,803,854.30 - Step 5: Solve for x
x = 102,694,180,803,854.30/12,953,977.50 - Step 6: Final answer
x = 7,927,617.66
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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.