Finding the Fourth Proportional to 19,577,040.60, 29,365,560.90 and 8,239,632.60
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Solution
The fourth proportional to 19,577,040.60, 29,365,560.90 and 8,239,632.60 is: 12,359,448.90
Step by Step Solution
- Step 1: Write the proportion equation
19,577,040.60 : 29,365,560.90 = 8,239,632.60 : x - Step 2: Convert to fraction form
19,577,040.60/29,365,560.90 = 8,239,632.60/x - Step 3: Cross multiply
19,577,040.60x = 29,365,560.90 × 8,239,632.60 - Step 4: Simplify right side
19,577,040.60x = 241,961,432,908,925.31 - Step 5: Solve for x
x = 241,961,432,908,925.31/19,577,040.60 - Step 6: Final answer
x = 12,359,448.90
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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.