Finding the Fourth Proportional to 52,327,547.28, 78,485,331.74 and 13,992,050.75
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Solution
The fourth proportional to 52,327,547.28, 78,485,331.74 and 13,992,050.75 is: 20,986,474.65
Step by Step Solution
- Step 1: Write the proportion equation
52,327,547.28 : 78,485,331.74 = 13,992,050.75 : x - Step 2: Convert to fraction form
52,327,547.28/78,485,331.74 = 13,992,050.75/x - Step 3: Cross multiply
52,327,547.28x = 78,485,331.74 × 13,992,050.75 - Step 4: Simplify right side
52,327,547.28x = 1,098,170,744,374,278.88 - Step 5: Solve for x
x = 1,098,170,744,374,278.88/52,327,547.28 - Step 6: Final answer
x = 20,986,474.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.