Home / 19,928,719.40-29,893,079.10-7,150,515.80

Finding the Fourth Proportional to 19,928,719.40, 29,893,079.10 and 7,150,515.80

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Solution

The fourth proportional to 19,928,719.40, 29,893,079.10 and 7,150,515.80 is: 10,725,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,719.40 : 29,893,079.10 = 7,150,515.80 : x
  2. Step 2: Convert to fraction form
    19,928,719.40/29,893,079.10 = 7,150,515.80/x
  3. Step 3: Cross multiply
    19,928,719.40x = 29,893,079.10 × 7,150,515.80
  4. Step 4: Simplify right side
    19,928,719.40x = 213,750,934,415,199.78
  5. Step 5: Solve for x
    x = 213,750,934,415,199.78/19,928,719.40
  6. Step 6: Final answer
    x = 10,725,773.70

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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.