Finding the Fourth Proportional to 10,403,232.60, 15,604,848.90 and 3,670,771.80
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Solution
The fourth proportional to 10,403,232.60, 15,604,848.90 and 3,670,771.80 is: 5,506,157.70
Step by Step Solution
- Step 1: Write the proportion equation
10,403,232.60 : 15,604,848.90 = 3,670,771.80 : x - Step 2: Convert to fraction form
10,403,232.60/15,604,848.90 = 3,670,771.80/x - Step 3: Cross multiply
10,403,232.60x = 15,604,848.90 × 3,670,771.80 - Step 4: Simplify right side
10,403,232.60x = 57,281,839,285,381.02 - Step 5: Solve for x
x = 57,281,839,285,381.02/10,403,232.60 - Step 6: Final answer
x = 5,506,157.70
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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.