Home / 28,080,373.20-38,750,219.52-15,689,706

Finding the Fourth Proportional to 28,080,373.20, 38,750,219.52 and 15,689,706

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Solution

The fourth proportional to 28,080,373.20, 38,750,219.52 and 15,689,706 is: 21,651,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,373.20 : 38,750,219.52 = 15,689,706 : x
  2. Step 2: Convert to fraction form
    28,080,373.20/38,750,219.52 = 15,689,706/x
  3. Step 3: Cross multiply
    28,080,373.20x = 38,750,219.52 × 15,689,706
  4. Step 4: Simplify right side
    28,080,373.20x = 607,979,551,704,261.12
  5. Step 5: Solve for x
    x = 607,979,551,704,261.12/28,080,373.20
  6. Step 6: Final answer
    x = 21,651,405.68

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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.