Finding the Fourth Proportional to 17,854,621.60, 26,782,807.20 and 9,351,565.60
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Solution
The fourth proportional to 17,854,621.60, 26,782,807.20 and 9,351,565.60 is: 14,027,806.59
Step by Step Solution
- Step 1: Write the proportion equation
17,854,621.60 : 26,782,807.20 = 9,351,565.60 : x - Step 2: Convert to fraction form
17,854,621.60/26,782,807.20 = 9,351,565.60/x - Step 3: Cross multiply
17,854,621.60x = 26,782,807.20 × 9,351,565.60 - Step 4: Simplify right side
17,854,621.60x = 250,461,178,482,952.31 - Step 5: Solve for x
x = 250,461,178,482,952.31/17,854,621.60 - Step 6: Final answer
x = 14,027,806.59
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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.