Finding the Fourth Proportional to 10,496,719.10, 15,745,078.65 and 4,438,291.70
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Solution
The fourth proportional to 10,496,719.10, 15,745,078.65 and 4,438,291.70 is: 6,657,437.55
Step by Step Solution
- Step 1: Write the proportion equation
10,496,719.10 : 15,745,078.65 = 4,438,291.70 : x - Step 2: Convert to fraction form
10,496,719.10/15,745,078.65 = 4,438,291.70/x - Step 3: Cross multiply
10,496,719.10x = 15,745,078.65 × 4,438,291.70 - Step 4: Simplify right side
10,496,719.10x = 69,881,251,888,142.21 - Step 5: Solve for x
x = 69,881,251,888,142.21/10,496,719.10 - Step 6: Final answer
x = 6,657,437.55
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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.