Finding the Fourth Proportional to 43,402,134.62, 59,944,655.58 and 28,583,700.44
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Solution
The fourth proportional to 43,402,134.62, 59,944,655.58 and 28,583,700.44 is: 39,478,244.40
Step by Step Solution
- Step 1: Write the proportion equation
43,402,134.62 : 59,944,655.58 = 28,583,700.44 : x - Step 2: Convert to fraction form
43,402,134.62/59,944,655.58 = 28,583,700.44/x - Step 3: Cross multiply
43,402,134.62x = 59,944,655.58 × 28,583,700.44 - Step 4: Simplify right side
43,402,134.62x = 1,713,440,078,077,694.50 - Step 5: Solve for x
x = 1,713,440,078,077,694.50/43,402,134.62 - Step 6: Final answer
x = 39,478,244.40
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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.