Home / 20,893,038.13-31,323,074.52-13,200,468.58

Finding the Fourth Proportional to 20,893,038.13, 31,323,074.52 and 13,200,468.58

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Solution

The fourth proportional to 20,893,038.13, 31,323,074.52 and 13,200,468.58 is: 19,790,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893,038.13 : 31,323,074.52 = 13,200,468.58 : x
  2. Step 2: Convert to fraction form
    20,893,038.13/31,323,074.52 = 13,200,468.58/x
  3. Step 3: Cross multiply
    20,893,038.13x = 31,323,074.52 × 13,200,468.58
  4. Step 4: Simplify right side
    20,893,038.13x = 413,479,261,118,914.19
  5. Step 5: Solve for x
    x = 413,479,261,118,914.19/20,893,038.13
  6. Step 6: Final answer
    x = 19,790,288.93

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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.