Finding the Fourth Proportional to 11,356,225.28, 15,671,511.14 and 6,199,586.82
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Solution
The fourth proportional to 11,356,225.28, 15,671,511.14 and 6,199,586.82 is: 8,555,386.28
Step by Step Solution
- Step 1: Write the proportion equation
11,356,225.28 : 15,671,511.14 = 6,199,586.82 : x - Step 2: Convert to fraction form
11,356,225.28/15,671,511.14 = 6,199,586.82/x - Step 3: Cross multiply
11,356,225.28x = 15,671,511.14 × 6,199,586.82 - Step 4: Simplify right side
11,356,225.28x = 97,156,893,928,526.14 - Step 5: Solve for x
x = 97,156,893,928,526.14/11,356,225.28 - Step 6: Final answer
x = 8,555,386.28
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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.