Finding the Fourth Proportional to 16,345,671.84, 22,555,051.92 and 9,375,988.32
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Solution
The fourth proportional to 16,345,671.84, 22,555,051.92 and 9,375,988.32 is: 12,937,730.88
Step by Step Solution
- Step 1: Write the proportion equation
16,345,671.84 : 22,555,051.92 = 9,375,988.32 : x - Step 2: Convert to fraction form
16,345,671.84/22,555,051.92 = 9,375,988.32/x - Step 3: Cross multiply
16,345,671.84x = 22,555,051.92 × 9,375,988.32 - Step 4: Simplify right side
16,345,671.84x = 211,475,903,358,913.59 - Step 5: Solve for x
x = 211,475,903,358,913.59/16,345,671.84 - Step 6: Final answer
x = 12,937,730.88
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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.