Finding the Fourth Proportional to 42,087,343.16, 63,133,464.12 and 11,797,568.12
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Solution
The fourth proportional to 42,087,343.16, 63,133,464.12 and 11,797,568.12 is: 17,697,038.77
Step by Step Solution
- Step 1: Write the proportion equation
42,087,343.16 : 63,133,464.12 = 11,797,568.12 : x - Step 2: Convert to fraction form
42,087,343.16/63,133,464.12 = 11,797,568.12/x - Step 3: Cross multiply
42,087,343.16x = 63,133,464.12 × 11,797,568.12 - Step 4: Simplify right side
42,087,343.16x = 744,821,343,607,275.75 - Step 5: Solve for x
x = 744,821,343,607,275.75/42,087,343.16 - Step 6: Final answer
x = 17,697,038.77
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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.