Home / 19,404,003.40-29,106,005.10-13,357,385.80

Finding the Fourth Proportional to 19,404,003.40, 29,106,005.10 and 13,357,385.80

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Solution

The fourth proportional to 19,404,003.40, 29,106,005.10 and 13,357,385.80 is: 20,036,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404,003.40 : 29,106,005.10 = 13,357,385.80 : x
  2. Step 2: Convert to fraction form
    19,404,003.40/29,106,005.10 = 13,357,385.80/x
  3. Step 3: Cross multiply
    19,404,003.40x = 29,106,005.10 × 13,357,385.80
  4. Step 4: Simplify right side
    19,404,003.40x = 388,780,139,217,467.62
  5. Step 5: Solve for x
    x = 388,780,139,217,467.62/19,404,003.40
  6. Step 6: Final answer
    x = 20,036,078.70

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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.