Home / 28,336,707.20-42,510,449.46-19,619,746.40

Finding the Fourth Proportional to 28,336,707.20, 42,510,449.46 and 19,619,746.40

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Solution

The fourth proportional to 28,336,707.20, 42,510,449.46 and 19,619,746.40 is: 29,433,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336,707.20 : 42,510,449.46 = 19,619,746.40 : x
  2. Step 2: Convert to fraction form
    28,336,707.20/42,510,449.46 = 19,619,746.40/x
  3. Step 3: Cross multiply
    28,336,707.20x = 42,510,449.46 × 19,619,746.40
  4. Step 4: Simplify right side
    28,336,707.20x = 834,044,237,755,216.88
  5. Step 5: Solve for x
    x = 834,044,237,755,216.88/28,336,707.20
  6. Step 6: Final answer
    x = 29,433,350.60

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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.