Finding the Fourth Proportional to 12,452,451.90, 18,683,343.45 and 4,884,848.70
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Solution
The fourth proportional to 12,452,451.90, 18,683,343.45 and 4,884,848.70 is: 7,329,103.27
Step by Step Solution
- Step 1: Write the proportion equation
12,452,451.90 : 18,683,343.45 = 4,884,848.70 : x - Step 2: Convert to fraction form
12,452,451.90/18,683,343.45 = 4,884,848.70/x - Step 3: Cross multiply
12,452,451.90x = 18,683,343.45 × 4,884,848.70 - Step 4: Simplify right side
12,452,451.90x = 91,265,305,963,386.02 - Step 5: Solve for x
x = 91,265,305,963,386.02/12,452,451.90 - Step 6: Final answer
x = 7,329,103.27
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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.