Finding the Fourth Proportional to 19,046,418.84, 26,279,968.86 and 11,314,068.12
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Solution
The fourth proportional to 19,046,418.84, 26,279,968.86 and 11,314,068.12 is: 15,610,984.95
Step by Step Solution
- Step 1: Write the proportion equation
19,046,418.84 : 26,279,968.86 = 11,314,068.12 : x - Step 2: Convert to fraction form
19,046,418.84/26,279,968.86 = 11,314,068.12/x - Step 3: Cross multiply
19,046,418.84x = 26,279,968.86 × 11,314,068.12 - Step 4: Simplify right side
19,046,418.84x = 297,333,357,873,518.69 - Step 5: Solve for x
x = 297,333,357,873,518.69/19,046,418.84 - Step 6: Final answer
x = 15,610,984.95
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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.