Finding the Fourth Proportional to 19,151,627.77, 28,725,319.58 and 6,855,099.99
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Solution
The fourth proportional to 19,151,627.77, 28,725,319.58 and 6,855,099.99 is: 10,281,890.41
Step by Step Solution
- Step 1: Write the proportion equation
19,151,627.77 : 28,725,319.58 = 6,855,099.99 : x - Step 2: Convert to fraction form
19,151,627.77/28,725,319.58 = 6,855,099.99/x - Step 3: Cross multiply
19,151,627.77x = 28,725,319.58 × 6,855,099.99 - Step 4: Simplify right side
19,151,627.77x = 196,914,937,875,022.59 - Step 5: Solve for x
x = 196,914,937,875,022.59/19,151,627.77 - Step 6: Final answer
x = 10,281,890.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.