Finding the Fourth Proportional to 28,248,726.12, 42,373,482.88 and 8,053,968.12
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Solution
The fourth proportional to 28,248,726.12, 42,373,482.88 and 8,053,968.12 is: 12,081,064.43
Step by Step Solution
- Step 1: Write the proportion equation
28,248,726.12 : 42,373,482.88 = 8,053,968.12 : x - Step 2: Convert to fraction form
28,248,726.12/42,373,482.88 = 8,053,968.12/x - Step 3: Cross multiply
28,248,726.12x = 42,373,482.88 × 8,053,968.12 - Step 4: Simplify right side
28,248,726.12x = 341,274,680,248,885.81 - Step 5: Solve for x
x = 341,274,680,248,885.81/28,248,726.12 - Step 6: Final answer
x = 12,081,064.43
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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.