Home / 20,794,101.40-28,695,730.71-11,501,505.01

Finding the Fourth Proportional to 20,794,101.40, 28,695,730.71 and 11,501,505.01

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Solution

The fourth proportional to 20,794,101.40, 28,695,730.71 and 11,501,505.01 is: 15,872,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,101.40 : 28,695,730.71 = 11,501,505.01 : x
  2. Step 2: Convert to fraction form
    20,794,101.40/28,695,730.71 = 11,501,505.01/x
  3. Step 3: Cross multiply
    20,794,101.40x = 28,695,730.71 × 11,501,505.01
  4. Step 4: Simplify right side
    20,794,101.40x = 330,044,090,526,675.88
  5. Step 5: Solve for x
    x = 330,044,090,526,675.88/20,794,101.40
  6. Step 6: Final answer
    x = 15,872,005.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.