Finding the Fourth Proportional to 28,684,985.99, 39,574,043.99 and 17,652,582.20
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Solution
The fourth proportional to 28,684,985.99, 39,574,043.99 and 17,652,582.20 is: 24,353,648.44
Step by Step Solution
- Step 1: Write the proportion equation
28,684,985.99 : 39,574,043.99 = 17,652,582.20 : x - Step 2: Convert to fraction form
28,684,985.99/39,574,043.99 = 17,652,582.20/x - Step 3: Cross multiply
28,684,985.99x = 39,574,043.99 × 17,652,582.20 - Step 4: Simplify right side
28,684,985.99x = 698,584,064,233,757.88 - Step 5: Solve for x
x = 698,584,064,233,757.88/28,684,985.99 - Step 6: Final answer
x = 24,353,648.44
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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.