Finding the Fourth Proportional to 15,173,379.48, 20,941,176.47 and 9,950,779.74
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Solution
The fourth proportional to 15,173,379.48, 20,941,176.47 and 9,950,779.74 is: 13,733,330.46
Step by Step Solution
- Step 1: Write the proportion equation
15,173,379.48 : 20,941,176.47 = 9,950,779.74 : x - Step 2: Convert to fraction form
15,173,379.48/20,941,176.47 = 9,950,779.74/x - Step 3: Cross multiply
15,173,379.48x = 20,941,176.47 × 9,950,779.74 - Step 4: Simplify right side
15,173,379.48x = 208,381,034,549,440.72 - Step 5: Solve for x
x = 208,381,034,549,440.72/15,173,379.48 - Step 6: Final answer
x = 13,733,330.46
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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.