Finding the Fourth Proportional to 39,573,143.10, 59,357,746.35 and 20,405,837.70
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Solution
The fourth proportional to 39,573,143.10, 59,357,746.35 and 20,405,837.70 is: 30,607,741.60
Step by Step Solution
- Step 1: Write the proportion equation
39,573,143.10 : 59,357,746.35 = 20,405,837.70 : x - Step 2: Convert to fraction form
39,573,143.10/59,357,746.35 = 20,405,837.70/x - Step 3: Cross multiply
39,573,143.10x = 59,357,746.35 × 20,405,837.70 - Step 4: Simplify right side
39,573,143.10x = 1,211,244,538,255,867.50 - Step 5: Solve for x
x = 1,211,244,538,255,867.50/39,573,143.10 - Step 6: Final answer
x = 30,607,741.60
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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.