Finding the Fourth Proportional to 11,281,519.44, 15,569,460.72 and 6,387,603.84
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Solution
The fourth proportional to 11,281,519.44, 15,569,460.72 and 6,387,603.84 is: 8,815,439.06
Step by Step Solution
- Step 1: Write the proportion equation
11,281,519.44 : 15,569,460.72 = 6,387,603.84 : x - Step 2: Convert to fraction form
11,281,519.44/15,569,460.72 = 6,387,603.84/x - Step 3: Cross multiply
11,281,519.44x = 15,569,460.72 × 6,387,603.84 - Step 4: Simplify right side
11,281,519.44x = 99,451,547,081,801.17 - Step 5: Solve for x
x = 99,451,547,081,801.17/11,281,519.44 - Step 6: Final answer
x = 8,815,439.06
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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.