Finding the Fourth Proportional to 47,256,230.70, 70,884,346.05 and 39,697,958.70
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Solution
The fourth proportional to 47,256,230.70, 70,884,346.05 and 39,697,958.70 is: 59,546,938.05
Step by Step Solution
- Step 1: Write the proportion equation
47,256,230.70 : 70,884,346.05 = 39,697,958.70 : x - Step 2: Convert to fraction form
47,256,230.70/70,884,346.05 = 39,697,958.70/x - Step 3: Cross multiply
47,256,230.70x = 70,884,346.05 × 39,697,958.70 - Step 4: Simplify right side
47,256,230.70x = 2,813,963,841,969,408 - Step 5: Solve for x
x = 2,813,963,841,969,408/47,256,230.70 - Step 6: Final answer
x = 59,546,938.05
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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.