Finding the Fourth Proportional to 13,835,421.63, 20,765,726.06 and 7,363,930.05
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Solution
The fourth proportional to 13,835,421.63, 20,765,726.06 and 7,363,930.05 is: 11,052,598.05
Step by Step Solution
- Step 1: Write the proportion equation
13,835,421.63 : 20,765,726.06 = 7,363,930.05 : x - Step 2: Convert to fraction form
13,835,421.63/20,765,726.06 = 7,363,930.05/x - Step 3: Cross multiply
13,835,421.63x = 20,765,726.06 × 7,363,930.05 - Step 4: Simplify right side
13,835,421.63x = 152,917,354,106,482.44 - Step 5: Solve for x
x = 152,917,354,106,482.44/13,835,421.63 - Step 6: Final answer
x = 11,052,598.05
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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.