Finding the Fourth Proportional to 24,430,809.60, 36,646,214.40 and 18,691,246.80
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Solution
The fourth proportional to 24,430,809.60, 36,646,214.40 and 18,691,246.80 is: 28,036,870.20
Step by Step Solution
- Step 1: Write the proportion equation
24,430,809.60 : 36,646,214.40 = 18,691,246.80 : x - Step 2: Convert to fraction form
24,430,809.60/36,646,214.40 = 18,691,246.80/x - Step 3: Cross multiply
24,430,809.60x = 36,646,214.40 × 18,691,246.80 - Step 4: Simplify right side
24,430,809.60x = 684,963,437,636,113.88 - Step 5: Solve for x
x = 684,963,437,636,113.88/24,430,809.60 - Step 6: Final answer
x = 28,036,870.20
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1.5x scale
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.