Finding the Fourth Proportional to 10,448,998.65, 15,673,497.98 and 9,332,972.55
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Solution
The fourth proportional to 10,448,998.65, 15,673,497.98 and 9,332,972.55 is: 13,999,458.83
Step by Step Solution
- Step 1: Write the proportion equation
10,448,998.65 : 15,673,497.98 = 9,332,972.55 : x - Step 2: Convert to fraction form
10,448,998.65/15,673,497.98 = 9,332,972.55/x - Step 3: Cross multiply
10,448,998.65x = 15,673,497.98 × 9,332,972.55 - Step 4: Simplify right side
10,448,998.65x = 146,280,326,363,155.59 - Step 5: Solve for x
x = 146,280,326,363,155.59/10,448,998.65 - Step 6: Final answer
x = 13,999,458.83
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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.