Finding the Fourth Proportional to 26,642,911.12, 36,767,524 and 15,629,848.18
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Solution
The fourth proportional to 26,642,911.12, 36,767,524 and 15,629,848.18 is: 21,569,370.38
Step by Step Solution
- Step 1: Write the proportion equation
26,642,911.12 : 36,767,524 = 15,629,848.18 : x - Step 2: Convert to fraction form
26,642,911.12/36,767,524 = 15,629,848.18/x - Step 3: Cross multiply
26,642,911.12x = 36,767,524 × 15,629,848.18 - Step 4: Simplify right side
26,642,911.12x = 574,670,818,074,506.25 - Step 5: Solve for x
x = 574,670,818,074,506.25/26,642,911.12 - Step 6: Final answer
x = 21,569,370.38
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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.