Finding the Fourth Proportional to 10,387,992.72, 14,335,399.68 and 5,804,317.68
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Solution
The fourth proportional to 10,387,992.72, 14,335,399.68 and 5,804,317.68 is: 8,009,941.48
Step by Step Solution
- Step 1: Write the proportion equation
10,387,992.72 : 14,335,399.68 = 5,804,317.68 : x - Step 2: Convert to fraction form
10,387,992.72/14,335,399.68 = 5,804,317.68/x - Step 3: Cross multiply
10,387,992.72x = 14,335,399.68 × 5,804,317.68 - Step 4: Simplify right side
10,387,992.72x = 83,207,213,812,490.34 - Step 5: Solve for x
x = 83,207,213,812,490.34/10,387,992.72 - Step 6: Final answer
x = 8,009,941.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.