Finding the Fourth Proportional to 42,639,416.28, 58,842,746.46 and 24,305,882.76
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Solution
The fourth proportional to 42,639,416.28, 58,842,746.46 and 24,305,882.76 is: 33,542,318.86
Step by Step Solution
- Step 1: Write the proportion equation
42,639,416.28 : 58,842,746.46 = 24,305,882.76 : x - Step 2: Convert to fraction form
42,639,416.28/58,842,746.46 = 24,305,882.76/x - Step 3: Cross multiply
42,639,416.28x = 58,842,746.46 × 24,305,882.76 - Step 4: Simplify right side
42,639,416.28x = 1,430,224,896,733,165.25 - Step 5: Solve for x
x = 1,430,224,896,733,165.25/42,639,416.28 - Step 6: Final answer
x = 33,542,318.86
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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.