Finding the Fourth Proportional to 15,248,176.56, 22,854,540.72 and 5,657,437.68
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Solution
The fourth proportional to 15,248,176.56, 22,854,540.72 and 5,657,437.68 is: 8,479,580.45
Step by Step Solution
- Step 1: Write the proportion equation
15,248,176.56 : 22,854,540.72 = 5,657,437.68 : x - Step 2: Convert to fraction form
15,248,176.56/22,854,540.72 = 5,657,437.68/x - Step 3: Cross multiply
15,248,176.56x = 22,854,540.72 × 5,657,437.68 - Step 4: Simplify right side
15,248,176.56x = 129,298,139,828,422.31 - Step 5: Solve for x
x = 129,298,139,828,422.31/15,248,176.56 - Step 6: Final answer
x = 8,479,580.45
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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.