Finding the Fourth Proportional to 34,121,943.68, 51,182,915.72 and 11,402,840.92
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Solution
The fourth proportional to 34,121,943.68, 51,182,915.72 and 11,402,840.92 is: 17,104,261.45
Step by Step Solution
- Step 1: Write the proportion equation
34,121,943.68 : 51,182,915.72 = 11,402,840.92 : x - Step 2: Convert to fraction form
34,121,943.68/51,182,915.72 = 11,402,840.92/x - Step 3: Cross multiply
34,121,943.68x = 51,182,915.72 × 11,402,840.92 - Step 4: Simplify right side
34,121,943.68x = 583,630,645,776,927.25 - Step 5: Solve for x
x = 583,630,645,776,927.25/34,121,943.68 - Step 6: Final answer
x = 17,104,261.45
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1.5x scale
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.