Finding the Fourth Proportional to 42,487,170.98, 63,730,659.26 and 18,210,356.42
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Solution
The fourth proportional to 42,487,170.98, 63,730,659.26 and 18,210,356.42 is: 27,315,492.96
Step by Step Solution
- Step 1: Write the proportion equation
42,487,170.98 : 63,730,659.26 = 18,210,356.42 : x - Step 2: Convert to fraction form
42,487,170.98/63,730,659.26 = 18,210,356.42/x - Step 3: Cross multiply
42,487,170.98x = 63,730,659.26 × 18,210,356.42 - Step 4: Simplify right side
42,487,170.98x = 1,160,558,019,596,468.25 - Step 5: Solve for x
x = 1,160,558,019,596,468.25/42,487,170.98 - Step 6: Final answer
x = 27,315,492.96
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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.