Finding the Fourth Proportional to 6,696,478.16, 9,243,106.55 and 4,373,725.77
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Solution
The fourth proportional to 6,696,478.16, 9,243,106.55 and 4,373,725.77 is: 6,037,026.08
Step by Step Solution
- Step 1: Write the proportion equation
6,696,478.16 : 9,243,106.55 = 4,373,725.77 : x - Step 2: Convert to fraction form
6,696,478.16/9,243,106.55 = 4,373,725.77/x - Step 3: Cross multiply
6,696,478.16x = 9,243,106.55 × 4,373,725.77 - Step 4: Simplify right side
6,696,478.16x = 40,426,813,323,525.10 - Step 5: Solve for x
x = 40,426,813,323,525.10/6,696,478.16 - Step 6: Final answer
x = 6,037,026.08
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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.