Finding the Fourth Proportional to 42,349,741.80, 63,496,735.68 and 27,928,838.76
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Solution
The fourth proportional to 42,349,741.80, 63,496,735.68 and 27,928,838.76 is: 41,874,873.78
Step by Step Solution
- Step 1: Write the proportion equation
42,349,741.80 : 63,496,735.68 = 27,928,838.76 : x - Step 2: Convert to fraction form
42,349,741.80/63,496,735.68 = 27,928,838.76/x - Step 3: Cross multiply
42,349,741.80x = 63,496,735.68 × 27,928,838.76 - Step 4: Simplify right side
42,349,741.80x = 1,773,390,092,593,059 - Step 5: Solve for x
x = 1,773,390,092,593,059/42,349,741.80 - Step 6: Final answer
x = 41,874,873.78
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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.