Finding the Fourth Proportional to 16,217,946.55, 22,380,774.96 and 8,875,775.40
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Solution
The fourth proportional to 16,217,946.55, 22,380,774.96 and 8,875,775.40 is: 12,248,574.82
Step by Step Solution
- Step 1: Write the proportion equation
16,217,946.55 : 22,380,774.96 = 8,875,775.40 : x - Step 2: Convert to fraction form
16,217,946.55/22,380,774.96 = 8,875,775.40/x - Step 3: Cross multiply
16,217,946.55x = 22,380,774.96 × 8,875,775.40 - Step 4: Simplify right side
16,217,946.55x = 198,646,731,822,904 - Step 5: Solve for x
x = 198,646,731,822,904/16,217,946.55 - Step 6: Final answer
x = 12,248,574.82
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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.