Finding the Fourth Proportional to 15,073,398.98, 20,801,300.84 and 8,457,074.06
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Solution
The fourth proportional to 15,073,398.98, 20,801,300.84 and 8,457,074.06 is: 11,670,767.95
Step by Step Solution
- Step 1: Write the proportion equation
15,073,398.98 : 20,801,300.84 = 8,457,074.06 : x - Step 2: Convert to fraction form
15,073,398.98/20,801,300.84 = 8,457,074.06/x - Step 3: Cross multiply
15,073,398.98x = 20,801,300.84 × 8,457,074.06 - Step 4: Simplify right side
15,073,398.98x = 175,918,141,748,220.22 - Step 5: Solve for x
x = 175,918,141,748,220.22/15,073,398.98 - Step 6: Final answer
x = 11,670,767.95
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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.