Finding the Fourth Proportional to 16,402,565.60, 24,603,718.80 and 4,272,005.60
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Solution
The fourth proportional to 16,402,565.60, 24,603,718.80 and 4,272,005.60 is: 6,407,974.65
Step by Step Solution
- Step 1: Write the proportion equation
16,402,565.60 : 24,603,718.80 = 4,272,005.60 : x - Step 2: Convert to fraction form
16,402,565.60/24,603,718.80 = 4,272,005.60/x - Step 3: Cross multiply
16,402,565.60x = 24,603,718.80 × 4,272,005.60 - Step 4: Simplify right side
16,402,565.60x = 105,107,224,494,425.28 - Step 5: Solve for x
x = 105,107,224,494,425.28/16,402,565.60 - Step 6: Final answer
x = 6,407,974.65
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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.