Finding the Fourth Proportional to 15,774,277.19, 21,768,714.02 and 8,898,737.99
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Solution
The fourth proportional to 15,774,277.19, 21,768,714.02 and 8,898,737.99 is: 12,280,377.74
Step by Step Solution
- Step 1: Write the proportion equation
15,774,277.19 : 21,768,714.02 = 8,898,737.99 : x - Step 2: Convert to fraction form
15,774,277.19/21,768,714.02 = 8,898,737.99/x - Step 3: Cross multiply
15,774,277.19x = 21,768,714.02 × 8,898,737.99 - Step 4: Simplify right side
15,774,277.19x = 193,714,082,356,622.88 - Step 5: Solve for x
x = 193,714,082,356,622.88/15,774,277.19 - Step 6: Final answer
x = 12,280,377.74
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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.