Home / 28,005,281.20-38,649,838.67-16,994,832.13

Finding the Fourth Proportional to 28,005,281.20, 38,649,838.67 and 16,994,832.13

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Solution

The fourth proportional to 28,005,281.20, 38,649,838.67 and 16,994,832.13 is: 23,454,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,281.20 : 38,649,838.67 = 16,994,832.13 : x
  2. Step 2: Convert to fraction form
    28,005,281.20/38,649,838.67 = 16,994,832.13/x
  3. Step 3: Cross multiply
    28,005,281.20x = 38,649,838.67 × 16,994,832.13
  4. Step 4: Simplify right side
    28,005,281.20x = 656,847,520,048,232.50
  5. Step 5: Solve for x
    x = 656,847,520,048,232.50/28,005,281.20
  6. Step 6: Final answer
    x = 23,454,416.16

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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.