Home / 20,246,432.40-30,369,648.60-5,869,969.20

Finding the Fourth Proportional to 20,246,432.40, 30,369,648.60 and 5,869,969.20

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Solution

The fourth proportional to 20,246,432.40, 30,369,648.60 and 5,869,969.20 is: 8,804,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246,432.40 : 30,369,648.60 = 5,869,969.20 : x
  2. Step 2: Convert to fraction form
    20,246,432.40/30,369,648.60 = 5,869,969.20/x
  3. Step 3: Cross multiply
    20,246,432.40x = 30,369,648.60 × 5,869,969.20
  4. Step 4: Simplify right side
    20,246,432.40x = 178,268,901,896,823.12
  5. Step 5: Solve for x
    x = 178,268,901,896,823.12/20,246,432.40
  6. Step 6: Final answer
    x = 8,804,953.80

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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.