Home / 20,139,309.60-30,208,964.40-6,676,137.60

Finding the Fourth Proportional to 20,139,309.60, 30,208,964.40 and 6,676,137.60

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Solution

The fourth proportional to 20,139,309.60, 30,208,964.40 and 6,676,137.60 is: 10,014,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,309.60 : 30,208,964.40 = 6,676,137.60 : x
  2. Step 2: Convert to fraction form
    20,139,309.60/30,208,964.40 = 6,676,137.60/x
  3. Step 3: Cross multiply
    20,139,309.60x = 30,208,964.40 × 6,676,137.60
  4. Step 4: Simplify right side
    20,139,309.60x = 201,679,203,087,901.41
  5. Step 5: Solve for x
    x = 201,679,203,087,901.41/20,139,309.60
  6. Step 6: Final answer
    x = 10,014,206.40

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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.