Finding the Fourth Proportional to 30,400,214.84, 41,955,291.51 and 17,349,438.14
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Solution
The fourth proportional to 30,400,214.84, 41,955,291.51 and 17,349,438.14 is: 23,943,933.90
Step by Step Solution
- Step 1: Write the proportion equation
30,400,214.84 : 41,955,291.51 = 17,349,438.14 : x - Step 2: Convert to fraction form
30,400,214.84/41,955,291.51 = 17,349,438.14/x - Step 3: Cross multiply
30,400,214.84x = 41,955,291.51 × 17,349,438.14 - Step 4: Simplify right side
30,400,214.84x = 727,900,734,803,300.25 - Step 5: Solve for x
x = 727,900,734,803,300.25/30,400,214.84 - Step 6: Final answer
x = 23,943,933.90
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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.