Finding the Fourth Proportional to 22,832,664.98, 31,513,655.21 and 13,545,390.06
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Solution
The fourth proportional to 22,832,664.98, 31,513,655.21 and 13,545,390.06 is: 18,695,353.89
Step by Step Solution
- Step 1: Write the proportion equation
22,832,664.98 : 31,513,655.21 = 13,545,390.06 : x - Step 2: Convert to fraction form
22,832,664.98/31,513,655.21 = 13,545,390.06/x - Step 3: Cross multiply
22,832,664.98x = 31,513,655.21 × 13,545,390.06 - Step 4: Simplify right side
22,832,664.98x = 426,864,751,968,074.25 - Step 5: Solve for x
x = 426,864,751,968,074.25/22,832,664.98 - Step 6: Final answer
x = 18,695,353.89
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1.5x scale
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.