Finding the Fourth Proportional to 28,750,158.56, 39,674,686.74 and 16,359,977.36
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Solution
The fourth proportional to 28,750,158.56, 39,674,686.74 and 16,359,977.36 is: 22,576,465.99
Step by Step Solution
- Step 1: Write the proportion equation
28,750,158.56 : 39,674,686.74 = 16,359,977.36 : x - Step 2: Convert to fraction form
28,750,158.56/39,674,686.74 = 16,359,977.36/x - Step 3: Cross multiply
28,750,158.56x = 39,674,686.74 × 16,359,977.36 - Step 4: Simplify right side
28,750,158.56x = 649,076,976,831,492.25 - Step 5: Solve for x
x = 649,076,976,831,492.25/28,750,158.56 - Step 6: Final answer
x = 22,576,465.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.