Home / 8,742,028.20-13,113,042.30-8,574,066.60

Finding the Fourth Proportional to 8,742,028.20, 13,113,042.30 and 8,574,066.60

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Solution

The fourth proportional to 8,742,028.20, 13,113,042.30 and 8,574,066.60 is: 12,861,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,028.20 : 13,113,042.30 = 8,574,066.60 : x
  2. Step 2: Convert to fraction form
    8,742,028.20/13,113,042.30 = 8,574,066.60/x
  3. Step 3: Cross multiply
    8,742,028.20x = 13,113,042.30 × 8,574,066.60
  4. Step 4: Simplify right side
    8,742,028.20x = 112,432,098,008,817.19
  5. Step 5: Solve for x
    x = 112,432,098,008,817.19/8,742,028.20
  6. Step 6: Final answer
    x = 12,861,099.90

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Double scale
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Similar ratio
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1.5x scale

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.