Finding the Fourth Proportional to 30,213,177.12, 45,328,609.16 and 9,742,484.99
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Solution
The fourth proportional to 30,213,177.12, 45,328,609.16 and 9,742,484.99 is: 14,616,579.14
Step by Step Solution
- Step 1: Write the proportion equation
30,213,177.12 : 45,328,609.16 = 9,742,484.99 : x - Step 2: Convert to fraction form
30,213,177.12/45,328,609.16 = 9,742,484.99/x - Step 3: Cross multiply
30,213,177.12x = 45,328,609.16 × 9,742,484.99 - Step 4: Simplify right side
30,213,177.12x = 441,613,294,460,019.88 - Step 5: Solve for x
x = 441,613,294,460,019.88/30,213,177.12 - Step 6: Final answer
x = 14,616,579.14
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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.