Home / 19,035,421.20-28,518,489.36-16,994,687.76

Finding the Fourth Proportional to 19,035,421.20, 28,518,489.36 and 16,994,687.76

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Solution

The fourth proportional to 19,035,421.20, 28,518,489.36 and 16,994,687.76 is: 25,461,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035,421.20 : 28,518,489.36 = 16,994,687.76 : x
  2. Step 2: Convert to fraction form
    19,035,421.20/28,518,489.36 = 16,994,687.76/x
  3. Step 3: Cross multiply
    19,035,421.20x = 28,518,489.36 × 16,994,687.76
  4. Step 4: Simplify right side
    19,035,421.20x = 484,662,822,060,082.25
  5. Step 5: Solve for x
    x = 484,662,822,060,082.25/19,035,421.20
  6. Step 6: Final answer
    x = 25,461,103.12

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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.