Finding the Fourth Proportional to 52,584,709.08, 78,878,670.50 and 18,040,626.28
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Solution
The fourth proportional to 52,584,709.08, 78,878,670.50 and 18,040,626.28 is: 27,061,490.70
Step by Step Solution
- Step 1: Write the proportion equation
52,584,709.08 : 78,878,670.50 = 18,040,626.28 : x - Step 2: Convert to fraction form
52,584,709.08/78,878,670.50 = 18,040,626.28/x - Step 3: Cross multiply
52,584,709.08x = 78,878,670.50 × 18,040,626.28 - Step 4: Simplify right side
52,584,709.08x = 1,423,020,615,953,760.75 - Step 5: Solve for x
x = 1,423,020,615,953,760.75/52,584,709.08 - Step 6: Final answer
x = 27,061,490.70
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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.