Finding the Fourth Proportional to 21,387,783.68, 32,083,564.16 and 6,035,208.64
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Solution
The fourth proportional to 21,387,783.68, 32,083,564.16 and 6,035,208.64 is: 9,053,345.90
Step by Step Solution
- Step 1: Write the proportion equation
21,387,783.68 : 32,083,564.16 = 6,035,208.64 : x - Step 2: Convert to fraction form
21,387,783.68/32,083,564.16 = 6,035,208.64/x - Step 3: Cross multiply
21,387,783.68x = 32,083,564.16 × 6,035,208.64 - Step 4: Simplify right side
21,387,783.68x = 193,631,003,620,426.34 - Step 5: Solve for x
x = 193,631,003,620,426.34/21,387,783.68 - Step 6: Final answer
x = 9,053,345.90
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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.