Finding the Fourth Proportional to 7,577,136.16, 11,347,547.28 and 5,522,289.28
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Solution
The fourth proportional to 7,577,136.16, 11,347,547.28 and 5,522,289.28 is: 8,270,200.95
Step by Step Solution
- Step 1: Write the proportion equation
7,577,136.16 : 11,347,547.28 = 5,522,289.28 : x - Step 2: Convert to fraction form
7,577,136.16/11,347,547.28 = 5,522,289.28/x - Step 3: Cross multiply
7,577,136.16x = 11,347,547.28 × 5,522,289.28 - Step 4: Simplify right side
7,577,136.16x = 62,664,438,698,637.16 - Step 5: Solve for x
x = 62,664,438,698,637.16/7,577,136.16 - Step 6: Final answer
x = 8,270,200.95
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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.