Finding the Fourth Proportional to 29,170,298.72, 40,257,369.36 and 16,118,702.24
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Solution
The fourth proportional to 29,170,298.72, 40,257,369.36 and 16,118,702.24 is: 22,245,111.57
Step by Step Solution
- Step 1: Write the proportion equation
29,170,298.72 : 40,257,369.36 = 16,118,702.24 : x - Step 2: Convert to fraction form
29,170,298.72/40,257,369.36 = 16,118,702.24/x - Step 3: Cross multiply
29,170,298.72x = 40,257,369.36 × 16,118,702.24 - Step 4: Simplify right side
29,170,298.72x = 648,896,549,679,539.38 - Step 5: Solve for x
x = 648,896,549,679,539.38/29,170,298.72 - Step 6: Final answer
x = 22,245,111.57
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1.5x scale
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.