Finding the Fourth Proportional to 19,046,421.84, 26,279,973 and 11,314,071.12
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Solution
The fourth proportional to 19,046,421.84, 26,279,973 and 11,314,071.12 is: 15,610,989.09
Step by Step Solution
- Step 1: Write the proportion equation
19,046,421.84 : 26,279,973 = 11,314,071.12 : x - Step 2: Convert to fraction form
19,046,421.84/26,279,973 = 11,314,071.12/x - Step 3: Cross multiply
19,046,421.84x = 26,279,973 × 11,314,071.12 - Step 4: Simplify right side
19,046,421.84x = 297,333,483,553,679.75 - Step 5: Solve for x
x = 297,333,483,553,679.75/19,046,421.84 - Step 6: Final answer
x = 15,610,989.09
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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.