Finding the Fourth Proportional to 51,408,334.84, 77,112,682.50 and 13,069,853.08
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Solution
The fourth proportional to 51,408,334.84, 77,112,682.50 and 13,069,853.08 is: 19,604,825.44
Step by Step Solution
- Step 1: Write the proportion equation
51,408,334.84 : 77,112,682.50 = 13,069,853.08 : x - Step 2: Convert to fraction form
51,408,334.84/77,112,682.50 = 13,069,853.08/x - Step 3: Cross multiply
51,408,334.84x = 77,112,682.50 × 13,069,853.08 - Step 4: Simplify right side
51,408,334.84x = 1,007,851,430,879,687.12 - Step 5: Solve for x
x = 1,007,851,430,879,687.12/51,408,334.84 - Step 6: Final answer
x = 19,604,825.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.