Finding the Fourth Proportional to 45,779,832.12, 63,160,543.62 and 28,369,824.96
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Solution
The fourth proportional to 45,779,832.12, 63,160,543.62 and 28,369,824.96 is: 39,140,675.79
Step by Step Solution
- Step 1: Write the proportion equation
45,779,832.12 : 63,160,543.62 = 28,369,824.96 : x - Step 2: Convert to fraction form
45,779,832.12/63,160,543.62 = 28,369,824.96/x - Step 3: Cross multiply
45,779,832.12x = 63,160,543.62 × 28,369,824.96 - Step 4: Simplify right side
45,779,832.12x = 1,791,853,566,877,844.75 - Step 5: Solve for x
x = 1,791,853,566,877,844.75/45,779,832.12 - Step 6: Final answer
x = 39,140,675.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.