Finding the Fourth Proportional to 18,832,976.58, 28,249,564.63 and 5,878,042.32
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Solution
The fourth proportional to 18,832,976.58, 28,249,564.63 and 5,878,042.32 is: 8,817,094.62
Step by Step Solution
- Step 1: Write the proportion equation
18,832,976.58 : 28,249,564.63 = 5,878,042.32 : x - Step 2: Convert to fraction form
18,832,976.58/28,249,564.63 = 5,878,042.32/x - Step 3: Cross multiply
18,832,976.58x = 28,249,564.63 × 5,878,042.32 - Step 4: Simplify right side
18,832,976.58x = 166,052,136,416,715.16 - Step 5: Solve for x
x = 166,052,136,416,715.16/18,832,976.58 - Step 6: Final answer
x = 8,817,094.62
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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.