Finding the Fourth Proportional to 26,855,373.12, 40,283,022.78 and 12,470,574.84
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Solution
The fourth proportional to 26,855,373.12, 40,283,022.78 and 12,470,574.84 is: 18,705,845.13
Step by Step Solution
- Step 1: Write the proportion equation
26,855,373.12 : 40,283,022.78 = 12,470,574.84 : x - Step 2: Convert to fraction form
26,855,373.12/40,283,022.78 = 12,470,574.84/x - Step 3: Cross multiply
26,855,373.12x = 40,283,022.78 × 12,470,574.84 - Step 4: Simplify right side
26,855,373.12x = 502,352,450,359,414.88 - Step 5: Solve for x
x = 502,352,450,359,414.88/26,855,373.12 - Step 6: Final answer
x = 18,705,845.13
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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.