Finding the Fourth Proportional to 23,780,866.68, 32,817,763.98 and 12,915,850.68
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Solution
The fourth proportional to 23,780,866.68, 32,817,763.98 and 12,915,850.68 is: 17,823,965.16
Step by Step Solution
- Step 1: Write the proportion equation
23,780,866.68 : 32,817,763.98 = 12,915,850.68 : x - Step 2: Convert to fraction form
23,780,866.68/32,817,763.98 = 12,915,850.68/x - Step 3: Cross multiply
23,780,866.68x = 32,817,763.98 × 12,915,850.68 - Step 4: Simplify right side
23,780,866.68x = 423,869,339,217,162.50 - Step 5: Solve for x
x = 423,869,339,217,162.50/23,780,866.68 - Step 6: Final answer
x = 17,823,965.16
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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.