Finding the Fourth Proportional to 28,416,331.80, 42,624,497.70 and 24,877,387.80
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Solution
The fourth proportional to 28,416,331.80, 42,624,497.70 and 24,877,387.80 is: 37,316,081.70
Step by Step Solution
- Step 1: Write the proportion equation
28,416,331.80 : 42,624,497.70 = 24,877,387.80 : x - Step 2: Convert to fraction form
28,416,331.80/42,624,497.70 = 24,877,387.80/x - Step 3: Cross multiply
28,416,331.80x = 42,624,497.70 × 24,877,387.80 - Step 4: Simplify right side
28,416,331.80x = 1,060,386,159,063,108.12 - Step 5: Solve for x
x = 1,060,386,159,063,108.12/28,416,331.80 - Step 6: Final answer
x = 37,316,081.70
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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.