Finding the Fourth Proportional to 8,242,090.58, 12,360,605.50 and 5,699,643.62
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Solution
The fourth proportional to 8,242,090.58, 12,360,605.50 and 5,699,643.62 is: 8,547,715.61
Step by Step Solution
- Step 1: Write the proportion equation
8,242,090.58 : 12,360,605.50 = 5,699,643.62 : x - Step 2: Convert to fraction form
8,242,090.58/12,360,605.50 = 5,699,643.62/x - Step 3: Cross multiply
8,242,090.58x = 12,360,605.50 × 5,699,643.62 - Step 4: Simplify right side
8,242,090.58x = 70,451,046,277,411.91 - Step 5: Solve for x
x = 70,451,046,277,411.91/8,242,090.58 - Step 6: Final answer
x = 8,547,715.61
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1.5x scale
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.