Finding the Fourth Proportional to 7,032,745.84, 10,547,019.24 and 2,989,216.12
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Solution
The fourth proportional to 7,032,745.84, 10,547,019.24 and 2,989,216.12 is: 4,482,931.79
Step by Step Solution
- Step 1: Write the proportion equation
7,032,745.84 : 10,547,019.24 = 2,989,216.12 : x - Step 2: Convert to fraction form
7,032,745.84/10,547,019.24 = 2,989,216.12/x - Step 3: Cross multiply
7,032,745.84x = 10,547,019.24 × 2,989,216.12 - Step 4: Simplify right side
7,032,745.84x = 31,527,319,930,158.15 - Step 5: Solve for x
x = 31,527,319,930,158.15/7,032,745.84 - Step 6: Final answer
x = 4,482,931.79
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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.