Home / 28,346,477.83-39,097,254.58-21,377,449.07

Finding the Fourth Proportional to 28,346,477.83, 39,097,254.58 and 21,377,449.07

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Solution

The fourth proportional to 28,346,477.83, 39,097,254.58 and 21,377,449.07 is: 29,485,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,477.83 : 39,097,254.58 = 21,377,449.07 : x
  2. Step 2: Convert to fraction form
    28,346,477.83/39,097,254.58 = 21,377,449.07/x
  3. Step 3: Cross multiply
    28,346,477.83x = 39,097,254.58 × 21,377,449.07
  4. Step 4: Simplify right side
    28,346,477.83x = 835,799,568,453,887.12
  5. Step 5: Solve for x
    x = 835,799,568,453,887.12/28,346,477.83
  6. Step 6: Final answer
    x = 29,485,129.46

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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.