Finding the Fourth Proportional to 11,426,351.30, 15,768,637.29 and 6,532,028.80
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Solution
The fourth proportional to 11,426,351.30, 15,768,637.29 and 6,532,028.80 is: 9,014,355.52
Step by Step Solution
- Step 1: Write the proportion equation
11,426,351.30 : 15,768,637.29 = 6,532,028.80 : x - Step 2: Convert to fraction form
11,426,351.30/15,768,637.29 = 6,532,028.80/x - Step 3: Cross multiply
11,426,351.30x = 15,768,637.29 × 6,532,028.80 - Step 4: Simplify right side
11,426,351.30x = 103,001,192,913,474.86 - Step 5: Solve for x
x = 103,001,192,913,474.86/11,426,351.30 - Step 6: Final answer
x = 9,014,355.52
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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.