Home / 20,544,428.58-28,352,202.65-11,377,071.33

Finding the Fourth Proportional to 20,544,428.58, 28,352,202.65 and 11,377,071.33

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Solution

The fourth proportional to 20,544,428.58, 28,352,202.65 and 11,377,071.33 is: 15,700,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,428.58 : 28,352,202.65 = 11,377,071.33 : x
  2. Step 2: Convert to fraction form
    20,544,428.58/28,352,202.65 = 11,377,071.33/x
  3. Step 3: Cross multiply
    20,544,428.58x = 28,352,202.65 × 11,377,071.33
  4. Step 4: Simplify right side
    20,544,428.58x = 322,565,031,854,779.69
  5. Step 5: Solve for x
    x = 322,565,031,854,779.69/20,544,428.58
  6. Step 6: Final answer
    x = 15,700,851.97

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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.