Finding the Fourth Proportional to 10,424,775.40, 15,623,544.50 and 5,813,577.62
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Solution
The fourth proportional to 10,424,775.40, 15,623,544.50 and 5,813,577.62 is: 8,712,771.75
Step by Step Solution
- Step 1: Write the proportion equation
10,424,775.40 : 15,623,544.50 = 5,813,577.62 : x - Step 2: Convert to fraction form
10,424,775.40/15,623,544.50 = 5,813,577.62/x - Step 3: Cross multiply
10,424,775.40x = 15,623,544.50 × 5,813,577.62 - Step 4: Simplify right side
10,424,775.40x = 90,828,688,650,274.09 - Step 5: Solve for x
x = 90,828,688,650,274.09/10,424,775.40 - Step 6: Final answer
x = 8,712,771.75
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1.5x scale
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.