Home / 7,427,246.40-11,140,869.60-7,380,007.20

Finding the Fourth Proportional to 7,427,246.40, 11,140,869.60 and 7,380,007.20

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Solution

The fourth proportional to 7,427,246.40, 11,140,869.60 and 7,380,007.20 is: 11,070,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,246.40 : 11,140,869.60 = 7,380,007.20 : x
  2. Step 2: Convert to fraction form
    7,427,246.40/11,140,869.60 = 7,380,007.20/x
  3. Step 3: Cross multiply
    7,427,246.40x = 11,140,869.60 × 7,380,007.20
  4. Step 4: Simplify right side
    7,427,246.40x = 82,219,697,862,261.12
  5. Step 5: Solve for x
    x = 82,219,697,862,261.12/7,427,246.40
  6. Step 6: Final answer
    x = 11,070,010.80

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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.