Home / 28,995,278.20-43,492,917.30-19,440,129.40

Finding the Fourth Proportional to 28,995,278.20, 43,492,917.30 and 19,440,129.40

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Solution

The fourth proportional to 28,995,278.20, 43,492,917.30 and 19,440,129.40 is: 29,160,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,278.20 : 43,492,917.30 = 19,440,129.40 : x
  2. Step 2: Convert to fraction form
    28,995,278.20/43,492,917.30 = 19,440,129.40/x
  3. Step 3: Cross multiply
    28,995,278.20x = 43,492,917.30 × 19,440,129.40
  4. Step 4: Simplify right side
    28,995,278.20x = 845,507,940,295,498.50
  5. Step 5: Solve for x
    x = 845,507,940,295,498.50/28,995,278.20
  6. Step 6: Final answer
    x = 29,160,194.10

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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.