Finding the Fourth Proportional to 42,209,363.56, 58,202,666.36 and 27,497,748.10
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Solution
The fourth proportional to 42,209,363.56, 58,202,666.36 and 27,497,748.10 is: 37,916,758.83
Step by Step Solution
- Step 1: Write the proportion equation
42,209,363.56 : 58,202,666.36 = 27,497,748.10 : x - Step 2: Convert to fraction form
42,209,363.56/58,202,666.36 = 27,497,748.10/x - Step 3: Cross multiply
42,209,363.56x = 58,202,666.36 × 27,497,748.10 - Step 4: Simplify right side
42,209,363.56x = 1,600,442,258,315,624 - Step 5: Solve for x
x = 1,600,442,258,315,624/42,209,363.56 - Step 6: Final answer
x = 37,916,758.83
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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.