Home / 31,929,231.80-47,893,847.70-13,742,139.80

Finding the Fourth Proportional to 31,929,231.80, 47,893,847.70 and 13,742,139.80

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Solution

The fourth proportional to 31,929,231.80, 47,893,847.70 and 13,742,139.80 is: 20,613,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929,231.80 : 47,893,847.70 = 13,742,139.80 : x
  2. Step 2: Convert to fraction form
    31,929,231.80/47,893,847.70 = 13,742,139.80/x
  3. Step 3: Cross multiply
    31,929,231.80x = 47,893,847.70 × 13,742,139.80
  4. Step 4: Simplify right side
    31,929,231.80x = 658,163,950,653,308.50
  5. Step 5: Solve for x
    x = 658,163,950,653,308.50/31,929,231.80
  6. Step 6: Final answer
    x = 20,613,209.70

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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.