Finding the Fourth Proportional to 19,502,817.42, 29,256,161.65 and 7,210,002.99
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Solution
The fourth proportional to 19,502,817.42, 29,256,161.65 and 7,210,002.99 is: 10,815,720.03
Step by Step Solution
- Step 1: Write the proportion equation
19,502,817.42 : 29,256,161.65 = 7,210,002.99 : x - Step 2: Convert to fraction form
19,502,817.42/29,256,161.65 = 7,210,002.99/x - Step 3: Cross multiply
19,502,817.42x = 29,256,161.65 × 7,210,002.99 - Step 4: Simplify right side
19,502,817.42x = 210,937,012,954,398.34 - Step 5: Solve for x
x = 210,937,012,954,398.34/19,502,817.42 - Step 6: Final answer
x = 10,815,720.03
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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.