Finding the Fourth Proportional to 30,356,091.70, 45,537,328.64 and 9,887,406.28
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Solution
The fourth proportional to 30,356,091.70, 45,537,328.64 and 9,887,406.28 is: 14,832,148.80
Step by Step Solution
- Step 1: Write the proportion equation
30,356,091.70 : 45,537,328.64 = 9,887,406.28 : x - Step 2: Convert to fraction form
30,356,091.70/45,537,328.64 = 9,887,406.28/x - Step 3: Cross multiply
30,356,091.70x = 45,537,328.64 × 9,887,406.28 - Step 4: Simplify right side
30,356,091.70x = 450,246,069,080,435 - Step 5: Solve for x
x = 450,246,069,080,435/30,356,091.70 - Step 6: Final answer
x = 14,832,148.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.