Home / 7,815,709.71-10,786,023.18-4,331,038.68

Finding the Fourth Proportional to 7,815,709.71, 10,786,023.18 and 4,331,038.68

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Solution

The fourth proportional to 7,815,709.71, 10,786,023.18 and 4,331,038.68 is: 5,977,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,709.71 : 10,786,023.18 = 4,331,038.68 : x
  2. Step 2: Convert to fraction form
    7,815,709.71/10,786,023.18 = 4,331,038.68/x
  3. Step 3: Cross multiply
    7,815,709.71x = 10,786,023.18 × 4,331,038.68
  4. Step 4: Simplify right side
    7,815,709.71x = 46,714,683,595,956.60
  5. Step 5: Solve for x
    x = 46,714,683,595,956.60/7,815,709.71
  6. Step 6: Final answer
    x = 5,977,023.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.