Finding the Fourth Proportional to 22,360,964.70, 33,541,447.05 and 13,291,038.30
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Solution
The fourth proportional to 22,360,964.70, 33,541,447.05 and 13,291,038.30 is: 19,936,557.45
Step by Step Solution
- Step 1: Write the proportion equation
22,360,964.70 : 33,541,447.05 = 13,291,038.30 : x - Step 2: Convert to fraction form
22,360,964.70/33,541,447.05 = 13,291,038.30/x - Step 3: Cross multiply
22,360,964.70x = 33,541,447.05 × 13,291,038.30 - Step 4: Simplify right side
22,360,964.70x = 445,800,657,378,972.06 - Step 5: Solve for x
x = 445,800,657,378,972.06/22,360,964.70 - Step 6: Final answer
x = 19,936,557.45
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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.