Finding the Fourth Proportional to 14,851,367.28, 20,496,988.15 and 8,237,417.99
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Solution
The fourth proportional to 14,851,367.28, 20,496,988.15 and 8,237,417.99 is: 11,368,802.32
Step by Step Solution
- Step 1: Write the proportion equation
14,851,367.28 : 20,496,988.15 = 8,237,417.99 : x - Step 2: Convert to fraction form
14,851,367.28/20,496,988.15 = 8,237,417.99/x - Step 3: Cross multiply
14,851,367.28x = 20,496,988.15 × 8,237,417.99 - Step 4: Simplify right side
14,851,367.28x = 168,842,258,881,412.03 - Step 5: Solve for x
x = 168,842,258,881,412.03/14,851,367.28 - Step 6: Final answer
x = 11,368,802.32
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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.