Finding the Fourth Proportional to 19,153,854.32, 26,432,879.80 and 10,452,587.60
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Solution
The fourth proportional to 19,153,854.32, 26,432,879.80 and 10,452,587.60 is: 14,424,876.95
Step by Step Solution
- Step 1: Write the proportion equation
19,153,854.32 : 26,432,879.80 = 10,452,587.60 : x - Step 2: Convert to fraction form
19,153,854.32/26,432,879.80 = 10,452,587.60/x - Step 3: Cross multiply
19,153,854.32x = 26,432,879.80 × 10,452,587.60 - Step 4: Simplify right side
19,153,854.32x = 276,291,991,629,770.47 - Step 5: Solve for x
x = 276,291,991,629,770.47/19,153,854.32 - Step 6: Final answer
x = 14,424,876.95
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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.