Finding the Fourth Proportional to 10,289,547.81, 15,440,300.46 and 4,609,772.12
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Solution
The fourth proportional to 10,289,547.81, 15,440,300.46 and 4,609,772.12 is: 6,917,336.69
Step by Step Solution
- Step 1: Write the proportion equation
10,289,547.81 : 15,440,300.46 = 4,609,772.12 : x - Step 2: Convert to fraction form
10,289,547.81/15,440,300.46 = 4,609,772.12/x - Step 3: Cross multiply
10,289,547.81x = 15,440,300.46 × 4,609,772.12 - Step 4: Simplify right side
10,289,547.81x = 71,176,266,623,531.92 - Step 5: Solve for x
x = 71,176,266,623,531.92/10,289,547.81 - Step 6: Final answer
x = 6,917,336.69
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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.