Finding the Fourth Proportional to 40,819,533.68, 56,330,959.52 and 22,484,819.20
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Solution
The fourth proportional to 40,819,533.68, 56,330,959.52 and 22,484,819.20 is: 31,029,052.17
Step by Step Solution
- Step 1: Write the proportion equation
40,819,533.68 : 56,330,959.52 = 22,484,819.20 : x - Step 2: Convert to fraction form
40,819,533.68/56,330,959.52 = 22,484,819.20/x - Step 3: Cross multiply
40,819,533.68x = 56,330,959.52 × 22,484,819.20 - Step 4: Simplify right side
40,819,533.68x = 1,266,591,440,169,718.75 - Step 5: Solve for x
x = 1,266,591,440,169,718.75/40,819,533.68 - Step 6: Final answer
x = 31,029,052.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.