Finding the Fourth Proportional to 38,854,711.52, 53,667,213.36 and 29,108,756.96
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Solution
The fourth proportional to 38,854,711.52, 53,667,213.36 and 29,108,756.96 is: 40,205,828.57
Step by Step Solution
- Step 1: Write the proportion equation
38,854,711.52 : 53,667,213.36 = 29,108,756.96 : x - Step 2: Convert to fraction form
38,854,711.52/53,667,213.36 = 29,108,756.96/x - Step 3: Cross multiply
38,854,711.52x = 53,667,213.36 × 29,108,756.96 - Step 4: Simplify right side
38,854,711.52x = 1,562,185,870,416,705 - Step 5: Solve for x
x = 1,562,185,870,416,705/38,854,711.52 - Step 6: Final answer
x = 40,205,828.57
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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.