Finding the Fourth Proportional to 15,133,119.60, 22,699,679.40 and 13,698,228.90
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Solution
The fourth proportional to 15,133,119.60, 22,699,679.40 and 13,698,228.90 is: 20,547,343.35
Step by Step Solution
- Step 1: Write the proportion equation
15,133,119.60 : 22,699,679.40 = 13,698,228.90 : x - Step 2: Convert to fraction form
15,133,119.60/22,699,679.40 = 13,698,228.90/x - Step 3: Cross multiply
15,133,119.60x = 22,699,679.40 × 13,698,228.90 - Step 4: Simplify right side
15,133,119.60x = 310,945,404,377,814.62 - Step 5: Solve for x
x = 310,945,404,377,814.62/15,133,119.60 - Step 6: Final answer
x = 20,547,343.35
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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.