Finding the Fourth Proportional to 23,645,432.18, 32,630,696.70 and 12,780,416.18
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Solution
The fourth proportional to 23,645,432.18, 32,630,696.70 and 12,780,416.18 is: 17,636,974.49
Step by Step Solution
- Step 1: Write the proportion equation
23,645,432.18 : 32,630,696.70 = 12,780,416.18 : x - Step 2: Convert to fraction form
23,645,432.18/32,630,696.70 = 12,780,416.18/x - Step 3: Cross multiply
23,645,432.18x = 32,630,696.70 × 12,780,416.18 - Step 4: Simplify right side
23,645,432.18x = 417,033,884,069,352.56 - Step 5: Solve for x
x = 417,033,884,069,352.56/23,645,432.18 - Step 6: Final answer
x = 17,636,974.49
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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.