Finding the Fourth Proportional to 28,670,157.50, 39,564,871.00 and 17,068,122.50
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Solution
The fourth proportional to 28,670,157.50, 39,564,871.00 and 17,068,122.50 is: 23,554,040.99
Step by Step Solution
- Step 1: Write the proportion equation
28,670,157.50 : 39,564,871.00 = 17,068,122.50 : x - Step 2: Convert to fraction form
28,670,157.50/39,564,871.00 = 17,068,122.50/x - Step 3: Cross multiply
28,670,157.50x = 39,564,871.00 × 17,068,122.50 - Step 4: Simplify right side
28,670,157.50x = 675,298,064,684,202.88 - Step 5: Solve for x
x = 675,298,064,684,202.88/28,670,157.50 - Step 6: Final answer
x = 23,554,040.99
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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.