Finding the Fourth Proportional to 36,878,767.68, 55,318,282.72 and 11,319,779.28
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Solution
The fourth proportional to 36,878,767.68, 55,318,282.72 and 11,319,779.28 is: 16,979,709.19
Step by Step Solution
- Step 1: Write the proportion equation
36,878,767.68 : 55,318,282.72 = 11,319,779.28 : x - Step 2: Convert to fraction form
36,878,767.68/55,318,282.72 = 11,319,779.28/x - Step 3: Cross multiply
36,878,767.68x = 55,318,282.72 × 11,319,779.28 - Step 4: Simplify right side
36,878,767.68x = 626,190,750,539,038 - Step 5: Solve for x
x = 626,190,750,539,038/36,878,767.68 - Step 6: Final answer
x = 16,979,709.19
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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.