Finding the Fourth Proportional to 9,921,267.78, 14,874,332.18 and 4,526,145.18
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Solution
The fourth proportional to 9,921,267.78, 14,874,332.18 and 4,526,145.18 is: 6,785,764.52
Step by Step Solution
- Step 1: Write the proportion equation
9,921,267.78 : 14,874,332.18 = 4,526,145.18 : x - Step 2: Convert to fraction form
9,921,267.78/14,874,332.18 = 4,526,145.18/x - Step 3: Cross multiply
9,921,267.78x = 14,874,332.18 × 4,526,145.18 - Step 4: Simplify right side
9,921,267.78x = 67,323,386,879,595.16 - Step 5: Solve for x
x = 67,323,386,879,595.16/9,921,267.78 - Step 6: Final answer
x = 6,785,764.52
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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.