Home / 5,678,749.60-8,518,124.40-5,214,263.20

Finding the Fourth Proportional to 5,678,749.60, 8,518,124.40 and 5,214,263.20

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Solution

The fourth proportional to 5,678,749.60, 8,518,124.40 and 5,214,263.20 is: 7,821,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,749.60 : 8,518,124.40 = 5,214,263.20 : x
  2. Step 2: Convert to fraction form
    5,678,749.60/8,518,124.40 = 5,214,263.20/x
  3. Step 3: Cross multiply
    5,678,749.60x = 8,518,124.40 × 5,214,263.20
  4. Step 4: Simplify right side
    5,678,749.60x = 44,415,742,591,942.09
  5. Step 5: Solve for x
    x = 44,415,742,591,942.09/5,678,749.60
  6. Step 6: Final answer
    x = 7,821,394.80

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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.