Finding the Fourth Proportional to 7,679,267.90, 11,516,802.30 and 2,886,588.62
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Solution
The fourth proportional to 7,679,267.90, 11,516,802.30 and 2,886,588.62 is: 4,329,093.72
Step by Step Solution
- Step 1: Write the proportion equation
7,679,267.90 : 11,516,802.30 = 2,886,588.62 : x - Step 2: Convert to fraction form
7,679,267.90/11,516,802.30 = 2,886,588.62/x - Step 3: Cross multiply
7,679,267.90x = 11,516,802.30 × 2,886,588.62 - Step 4: Simplify right side
7,679,267.90x = 33,244,270,457,969.83 - Step 5: Solve for x
x = 33,244,270,457,969.83/7,679,267.90 - Step 6: Final answer
x = 4,329,093.72
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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.