Finding the Fourth Proportional to 11,230,341.76, 15,497,871.64 and 6,073,703.28
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Solution
The fourth proportional to 11,230,341.76, 15,497,871.64 and 6,073,703.28 is: 8,381,710.53
Step by Step Solution
- Step 1: Write the proportion equation
11,230,341.76 : 15,497,871.64 = 6,073,703.28 : x - Step 2: Convert to fraction form
11,230,341.76/15,497,871.64 = 6,073,703.28/x - Step 3: Cross multiply
11,230,341.76x = 15,497,871.64 × 6,073,703.28 - Step 4: Simplify right side
11,230,341.76x = 94,129,473,812,886.98 - Step 5: Solve for x
x = 94,129,473,812,886.98/11,230,341.76 - Step 6: Final answer
x = 8,381,710.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.