Finding the Fourth Proportional to 7,832,129.74, 11,748,178.44 and 4,418,866.88
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Solution
The fourth proportional to 7,832,129.74, 11,748,178.44 and 4,418,866.88 is: 6,628,291.19
Step by Step Solution
- Step 1: Write the proportion equation
7,832,129.74 : 11,748,178.44 = 4,418,866.88 : x - Step 2: Convert to fraction form
7,832,129.74/11,748,178.44 = 4,418,866.88/x - Step 3: Cross multiply
7,832,129.74x = 11,748,178.44 × 4,418,866.88 - Step 4: Simplify right side
7,832,129.74x = 51,913,636,550,105.17 - Step 5: Solve for x
x = 51,913,636,550,105.17/7,832,129.74 - Step 6: Final answer
x = 6,628,291.19
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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.