Finding the Fourth Proportional to 15,216,647.58, 22,812,177.69 and 7,125,359.58
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Solution
The fourth proportional to 15,216,647.58, 22,812,177.69 and 7,125,359.58 is: 10,682,048.59
Step by Step Solution
- Step 1: Write the proportion equation
15,216,647.58 : 22,812,177.69 = 7,125,359.58 : x - Step 2: Convert to fraction form
15,216,647.58/22,812,177.69 = 7,125,359.58/x - Step 3: Cross multiply
15,216,647.58x = 22,812,177.69 × 7,125,359.58 - Step 4: Simplify right side
15,216,647.58x = 162,544,968,844,103.78 - Step 5: Solve for x
x = 162,544,968,844,103.78/15,216,647.58 - Step 6: Final answer
x = 10,682,048.59
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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.