Home / 12,093,379.20-16,688,233.28-7,509,602.24

Finding the Fourth Proportional to 12,093,379.20, 16,688,233.28 and 7,509,602.24

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Solution

The fourth proportional to 12,093,379.20, 16,688,233.28 and 7,509,602.24 is: 10,362,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093,379.20 : 16,688,233.28 = 7,509,602.24 : x
  2. Step 2: Convert to fraction form
    12,093,379.20/16,688,233.28 = 7,509,602.24/x
  3. Step 3: Cross multiply
    12,093,379.20x = 16,688,233.28 × 7,509,602.24
  4. Step 4: Simplify right side
    12,093,379.20x = 125,321,994,021,130.55
  5. Step 5: Solve for x
    x = 125,321,994,021,130.55/12,093,379.20
  6. Step 6: Final answer
    x = 10,362,859.87

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1.5x scale

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.