Home / 8,216,886.60-12,335,438.70-5,184,246.60

Finding the Fourth Proportional to 8,216,886.60, 12,335,438.70 and 5,184,246.60

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Solution

The fourth proportional to 8,216,886.60, 12,335,438.70 and 5,184,246.60 is: 7,782,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,886.60 : 12,335,438.70 = 5,184,246.60 : x
  2. Step 2: Convert to fraction form
    8,216,886.60/12,335,438.70 = 5,184,246.60/x
  3. Step 3: Cross multiply
    8,216,886.60x = 12,335,438.70 × 5,184,246.60
  4. Step 4: Simplify right side
    8,216,886.60x = 63,949,956,139,983.41
  5. Step 5: Solve for x
    x = 63,949,956,139,983.41/8,216,886.60
  6. Step 6: Final answer
    x = 7,782,747.80

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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.