Home / 39,878,619.20-59,800,432.80-18,306,051.20

Finding the Fourth Proportional to 39,878,619.20, 59,800,432.80 and 18,306,051.20

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Solution

The fourth proportional to 39,878,619.20, 59,800,432.80 and 18,306,051.20 is: 27,451,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878,619.20 : 59,800,432.80 = 18,306,051.20 : x
  2. Step 2: Convert to fraction form
    39,878,619.20/59,800,432.80 = 18,306,051.20/x
  3. Step 3: Cross multiply
    39,878,619.20x = 59,800,432.80 × 18,306,051.20
  4. Step 4: Simplify right side
    39,878,619.20x = 1,094,709,784,618,959.25
  5. Step 5: Solve for x
    x = 1,094,709,784,618,959.25/39,878,619.20
  6. Step 6: Final answer
    x = 27,451,045.36

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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.