Finding the Fourth Proportional to 7,636,875.74, 11,455,309.47 and 2,245,570.82
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Solution
The fourth proportional to 7,636,875.74, 11,455,309.47 and 2,245,570.82 is: 3,368,355.01
Step by Step Solution
- Step 1: Write the proportion equation
7,636,875.74 : 11,455,309.47 = 2,245,570.82 : x - Step 2: Convert to fraction form
7,636,875.74/11,455,309.47 = 2,245,570.82/x - Step 3: Cross multiply
7,636,875.74x = 11,455,309.47 × 2,245,570.82 - Step 4: Simplify right side
7,636,875.74x = 25,723,708,679,901.66 - Step 5: Solve for x
x = 25,723,708,679,901.66/7,636,875.74 - Step 6: Final answer
x = 3,368,355.01
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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.