Finding the Fourth Proportional to 9,842,403.80, 14,763,605.70 and 5,590,875.80
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Solution
The fourth proportional to 9,842,403.80, 14,763,605.70 and 5,590,875.80 is: 8,386,313.70
Step by Step Solution
- Step 1: Write the proportion equation
9,842,403.80 : 14,763,605.70 = 5,590,875.80 : x - Step 2: Convert to fraction form
9,842,403.80/14,763,605.70 = 5,590,875.80/x - Step 3: Cross multiply
9,842,403.80x = 14,763,605.70 × 5,590,875.80 - Step 4: Simplify right side
9,842,403.80x = 82,541,485,828,872.05 - Step 5: Solve for x
x = 82,541,485,828,872.05/9,842,403.80 - Step 6: Final answer
x = 8,386,313.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.