Home / 28,761,205.20-43,141,807.80-26,157,800.40

Finding the Fourth Proportional to 28,761,205.20, 43,141,807.80 and 26,157,800.40

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Solution

The fourth proportional to 28,761,205.20, 43,141,807.80 and 26,157,800.40 is: 39,236,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761,205.20 : 43,141,807.80 = 26,157,800.40 : x
  2. Step 2: Convert to fraction form
    28,761,205.20/43,141,807.80 = 26,157,800.40/x
  3. Step 3: Cross multiply
    28,761,205.20x = 43,141,807.80 × 26,157,800.40
  4. Step 4: Simplify right side
    28,761,205.20x = 1,128,494,797,327,563
  5. Step 5: Solve for x
    x = 1,128,494,797,327,563/28,761,205.20
  6. Step 6: Final answer
    x = 39,236,700.60

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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.