Finding the Fourth Proportional to 14,653,944.35, 20,209,210.24 and 9,147,830.13
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Solution
The fourth proportional to 14,653,944.35, 20,209,210.24 and 9,147,830.13 is: 12,615,744.80
Step by Step Solution
- Step 1: Write the proportion equation
14,653,944.35 : 20,209,210.24 = 9,147,830.13 : x - Step 2: Convert to fraction form
14,653,944.35/20,209,210.24 = 9,147,830.13/x - Step 3: Cross multiply
14,653,944.35x = 20,209,210.24 × 9,147,830.13 - Step 4: Simplify right side
14,653,944.35x = 184,870,422,291,237.41 - Step 5: Solve for x
x = 184,870,422,291,237.41/14,653,944.35 - Step 6: Final answer
x = 12,615,744.80
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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.