Finding the Fourth Proportional to 42,087,341.16, 63,133,461.12 and 11,797,566.12
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Solution
The fourth proportional to 42,087,341.16, 63,133,461.12 and 11,797,566.12 is: 17,697,035.77
Step by Step Solution
- Step 1: Write the proportion equation
42,087,341.16 : 63,133,461.12 = 11,797,566.12 : x - Step 2: Convert to fraction form
42,087,341.16/63,133,461.12 = 11,797,566.12/x - Step 3: Cross multiply
42,087,341.16x = 63,133,461.12 × 11,797,566.12 - Step 4: Simplify right side
42,087,341.16x = 744,821,181,947,649.12 - Step 5: Solve for x
x = 744,821,181,947,649.12/42,087,341.16 - Step 6: Final answer
x = 17,697,035.77
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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.