Finding the Fourth Proportional to 35,415,349.74, 53,130,489.57 and 11,478,955.50
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Solution
The fourth proportional to 35,415,349.74, 53,130,489.57 and 11,478,955.50 is: 17,220,852.82
Step by Step Solution
- Step 1: Write the proportion equation
35,415,349.74 : 53,130,489.57 = 11,478,955.50 : x - Step 2: Convert to fraction form
35,415,349.74/53,130,489.57 = 11,478,955.50/x - Step 3: Cross multiply
35,415,349.74x = 53,130,489.57 × 11,478,955.50 - Step 4: Simplify right side
35,415,349.74x = 609,882,525,467,244.12 - Step 5: Solve for x
x = 609,882,525,467,244.12/35,415,349.74 - Step 6: Final answer
x = 17,220,852.82
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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.