Home / 8,742,005.80-13,113,008.70-3,423,221.80

Finding the Fourth Proportional to 8,742,005.80, 13,113,008.70 and 3,423,221.80

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Solution

The fourth proportional to 8,742,005.80, 13,113,008.70 and 3,423,221.80 is: 5,134,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,005.80 : 13,113,008.70 = 3,423,221.80 : x
  2. Step 2: Convert to fraction form
    8,742,005.80/13,113,008.70 = 3,423,221.80/x
  3. Step 3: Cross multiply
    8,742,005.80x = 13,113,008.70 × 3,423,221.80
  4. Step 4: Simplify right side
    8,742,005.80x = 44,888,737,245,429.66
  5. Step 5: Solve for x
    x = 44,888,737,245,429.66/8,742,005.80
  6. Step 6: Final answer
    x = 5,134,832.70

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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.