Home / 8,238,814.40-12,358,221.60-5,719,390.40

Finding the Fourth Proportional to 8,238,814.40, 12,358,221.60 and 5,719,390.40

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Solution

The fourth proportional to 8,238,814.40, 12,358,221.60 and 5,719,390.40 is: 8,579,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,814.40 : 12,358,221.60 = 5,719,390.40 : x
  2. Step 2: Convert to fraction form
    8,238,814.40/12,358,221.60 = 5,719,390.40/x
  3. Step 3: Cross multiply
    8,238,814.40x = 12,358,221.60 × 5,719,390.40
  4. Step 4: Simplify right side
    8,238,814.40x = 70,681,493,980,112.64
  5. Step 5: Solve for x
    x = 70,681,493,980,112.64/8,238,814.40
  6. Step 6: Final answer
    x = 8,579,085.60

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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.