Finding the Fourth Proportional to 7,575,869.32, 11,363,803.98 and 2,781,484.18
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Solution
The fourth proportional to 7,575,869.32, 11,363,803.98 and 2,781,484.18 is: 4,172,226.27
Step by Step Solution
- Step 1: Write the proportion equation
7,575,869.32 : 11,363,803.98 = 2,781,484.18 : x - Step 2: Convert to fraction form
7,575,869.32/11,363,803.98 = 2,781,484.18/x - Step 3: Cross multiply
7,575,869.32x = 11,363,803.98 × 2,781,484.18 - Step 4: Simplify right side
7,575,869.32x = 31,608,240,994,991.04 - Step 5: Solve for x
x = 31,608,240,994,991.04/7,575,869.32 - Step 6: Final answer
x = 4,172,226.27
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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.