Finding the Fourth Proportional to 30,599,014.08, 42,227,675.80 and 16,660,909.74
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Solution
The fourth proportional to 30,599,014.08, 42,227,675.80 and 16,660,909.74 is: 22,992,619.74
Step by Step Solution
- Step 1: Write the proportion equation
30,599,014.08 : 42,227,675.80 = 16,660,909.74 : x - Step 2: Convert to fraction form
30,599,014.08/42,227,675.80 = 16,660,909.74/x - Step 3: Cross multiply
30,599,014.08x = 42,227,675.80 × 16,660,909.74 - Step 4: Simplify right side
30,599,014.08x = 703,551,495,033,782.25 - Step 5: Solve for x
x = 703,551,495,033,782.25/30,599,014.08 - Step 6: Final answer
x = 22,992,619.74
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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.