Finding the Fourth Proportional to 19,281,973.84, 26,609,583.78 and 11,022,804.65
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Solution
The fourth proportional to 19,281,973.84, 26,609,583.78 and 11,022,804.65 is: 15,211,733.32
Step by Step Solution
- Step 1: Write the proportion equation
19,281,973.84 : 26,609,583.78 = 11,022,804.65 : x - Step 2: Convert to fraction form
19,281,973.84/26,609,583.78 = 11,022,804.65/x - Step 3: Cross multiply
19,281,973.84x = 26,609,583.78 × 11,022,804.65 - Step 4: Simplify right side
19,281,973.84x = 293,312,243,891,272.56 - Step 5: Solve for x
x = 293,312,243,891,272.56/19,281,973.84 - Step 6: Final answer
x = 15,211,733.32
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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.