Finding the Fourth Proportional to 35,339,925.70, 53,009,888.55 and 19,173,621.70
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Solution
The fourth proportional to 35,339,925.70, 53,009,888.55 and 19,173,621.70 is: 28,760,432.55
Step by Step Solution
- Step 1: Write the proportion equation
35,339,925.70 : 53,009,888.55 = 19,173,621.70 : x - Step 2: Convert to fraction form
35,339,925.70/53,009,888.55 = 19,173,621.70/x - Step 3: Cross multiply
35,339,925.70x = 53,009,888.55 × 19,173,621.70 - Step 4: Simplify right side
35,339,925.70x = 1,016,391,549,416,861.50 - Step 5: Solve for x
x = 1,016,391,549,416,861.50/35,339,925.70 - Step 6: Final answer
x = 28,760,432.55
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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.