Finding the Fourth Proportional to 19,005,342.14, 26,249,023.41 and 12,883,141.82
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Solution
The fourth proportional to 19,005,342.14, 26,249,023.41 and 12,883,141.82 is: 17,793,412.44
Step by Step Solution
- Step 1: Write the proportion equation
19,005,342.14 : 26,249,023.41 = 12,883,141.82 : x - Step 2: Convert to fraction form
19,005,342.14/26,249,023.41 = 12,883,141.82/x - Step 3: Cross multiply
19,005,342.14x = 26,249,023.41 × 12,883,141.82 - Step 4: Simplify right side
19,005,342.14x = 338,169,891,281,068.19 - Step 5: Solve for x
x = 338,169,891,281,068.19/19,005,342.14 - Step 6: Final answer
x = 17,793,412.44
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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.