Finding the Fourth Proportional to 7,656,038.40, 11,484,057.60 and 3,869,029.20
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Solution
The fourth proportional to 7,656,038.40, 11,484,057.60 and 3,869,029.20 is: 5,803,543.80
Step by Step Solution
- Step 1: Write the proportion equation
7,656,038.40 : 11,484,057.60 = 3,869,029.20 : x - Step 2: Convert to fraction form
7,656,038.40/11,484,057.60 = 3,869,029.20/x - Step 3: Cross multiply
7,656,038.40x = 11,484,057.60 × 3,869,029.20 - Step 4: Simplify right side
7,656,038.40x = 44,432,154,188,881.92 - Step 5: Solve for x
x = 44,432,154,188,881.92/7,656,038.40 - Step 6: Final answer
x = 5,803,543.80
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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.