Finding the Fourth Proportional to 53,164,378.41, 79,746,567.66 and 12,774,862.41
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Solution
The fourth proportional to 53,164,378.41, 79,746,567.66 and 12,774,862.41 is: 19,162,293.63
Step by Step Solution
- Step 1: Write the proportion equation
53,164,378.41 : 79,746,567.66 = 12,774,862.41 : x - Step 2: Convert to fraction form
53,164,378.41/79,746,567.66 = 12,774,862.41/x - Step 3: Cross multiply
53,164,378.41x = 79,746,567.66 × 12,774,862.41 - Step 4: Simplify right side
53,164,378.41x = 1,018,751,429,526,255.62 - Step 5: Solve for x
x = 1,018,751,429,526,255.62/53,164,378.41 - Step 6: Final answer
x = 19,162,293.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.