Finding the Fourth Proportional to 7,615,376.20, 11,441,726.70 and 5,725,808.20
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Solution
The fourth proportional to 7,615,376.20, 11,441,726.70 and 5,725,808.20 is: 8,602,744.09
Step by Step Solution
- Step 1: Write the proportion equation
7,615,376.20 : 11,441,726.70 = 5,725,808.20 : x - Step 2: Convert to fraction form
7,615,376.20/11,441,726.70 = 5,725,808.20/x - Step 3: Cross multiply
7,615,376.20x = 11,441,726.70 × 5,725,808.20 - Step 4: Simplify right side
7,615,376.20x = 65,513,132,561,018.94 - Step 5: Solve for x
x = 65,513,132,561,018.94/7,615,376.20 - Step 6: Final answer
x = 8,602,744.09
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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.