Home / 6,742,420.20-10,113,630.30-3,909,817.80

Finding the Fourth Proportional to 6,742,420.20, 10,113,630.30 and 3,909,817.80

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Solution

The fourth proportional to 6,742,420.20, 10,113,630.30 and 3,909,817.80 is: 5,864,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742,420.20 : 10,113,630.30 = 3,909,817.80 : x
  2. Step 2: Convert to fraction form
    6,742,420.20/10,113,630.30 = 3,909,817.80/x
  3. Step 3: Cross multiply
    6,742,420.20x = 10,113,630.30 × 3,909,817.80
  4. Step 4: Simplify right side
    6,742,420.20x = 39,542,451,769,559.34
  5. Step 5: Solve for x
    x = 39,542,451,769,559.34/6,742,420.20
  6. Step 6: Final answer
    x = 5,864,726.70

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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.