Home / 7,939,807.60-11,909,711.40-4,743,288.40

Finding the Fourth Proportional to 7,939,807.60, 11,909,711.40 and 4,743,288.40

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Solution

The fourth proportional to 7,939,807.60, 11,909,711.40 and 4,743,288.40 is: 7,114,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,807.60 : 11,909,711.40 = 4,743,288.40 : x
  2. Step 2: Convert to fraction form
    7,939,807.60/11,909,711.40 = 4,743,288.40/x
  3. Step 3: Cross multiply
    7,939,807.60x = 11,909,711.40 × 4,743,288.40
  4. Step 4: Simplify right side
    7,939,807.60x = 56,491,195,930,967.77
  5. Step 5: Solve for x
    x = 56,491,195,930,967.77/7,939,807.60
  6. Step 6: Final answer
    x = 7,114,932.60

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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.