Finding the Fourth Proportional to 53,318,589.93, 73,579,636.14 and 28,872,303.93
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Solution
The fourth proportional to 53,318,589.93, 73,579,636.14 and 28,872,303.93 is: 39,843,769.70
Step by Step Solution
- Step 1: Write the proportion equation
53,318,589.93 : 73,579,636.14 = 28,872,303.93 : x - Step 2: Convert to fraction form
53,318,589.93/73,579,636.14 = 28,872,303.93/x - Step 3: Cross multiply
53,318,589.93x = 73,579,636.14 × 28,872,303.93 - Step 4: Simplify right side
53,318,589.93x = 2,124,413,617,692,892 - Step 5: Solve for x
x = 2,124,413,617,692,892/53,318,589.93 - Step 6: Final answer
x = 39,843,769.70
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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.