Finding the Fourth Proportional to 52,356,289.62, 72,249,348.50 and 30,013,257.49
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Solution
The fourth proportional to 52,356,289.62, 72,249,348.50 and 30,013,257.49 is: 41,416,958.99
Step by Step Solution
- Step 1: Write the proportion equation
52,356,289.62 : 72,249,348.50 = 30,013,257.49 : x - Step 2: Convert to fraction form
52,356,289.62/72,249,348.50 = 30,013,257.49/x - Step 3: Cross multiply
52,356,289.62x = 72,249,348.50 × 30,013,257.49 - Step 4: Simplify right side
52,356,289.62x = 2,168,438,300,015,245.25 - Step 5: Solve for x
x = 2,168,438,300,015,245.25/52,356,289.62 - Step 6: Final answer
x = 41,416,958.99
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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.