Home / 8,742,003.80-13,113,005.70-3,423,219.80

Finding the Fourth Proportional to 8,742,003.80, 13,113,005.70 and 3,423,219.80

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Solution

The fourth proportional to 8,742,003.80, 13,113,005.70 and 3,423,219.80 is: 5,134,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,003.80 : 13,113,005.70 = 3,423,219.80 : x
  2. Step 2: Convert to fraction form
    8,742,003.80/13,113,005.70 = 3,423,219.80/x
  3. Step 3: Cross multiply
    8,742,003.80x = 13,113,005.70 × 3,423,219.80
  4. Step 4: Simplify right side
    8,742,003.80x = 44,888,700,749,752.85
  5. Step 5: Solve for x
    x = 44,888,700,749,752.85/8,742,003.80
  6. Step 6: Final answer
    x = 5,134,829.70

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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.