Finding the Fourth Proportional to 13,011,223.99, 17,955,594.66 and 7,210,102.69
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Solution
The fourth proportional to 13,011,223.99, 17,955,594.66 and 7,210,102.69 is: 9,950,000.20
Step by Step Solution
- Step 1: Write the proportion equation
13,011,223.99 : 17,955,594.66 = 7,210,102.69 : x - Step 2: Convert to fraction form
13,011,223.99/17,955,594.66 = 7,210,102.69/x - Step 3: Cross multiply
13,011,223.99x = 17,955,594.66 × 7,210,102.69 - Step 4: Simplify right side
13,011,223.99x = 129,461,681,358,615.64 - Step 5: Solve for x
x = 129,461,681,358,615.64/13,011,223.99 - Step 6: Final answer
x = 9,950,000.20
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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.