Home / 28,346,478.56-39,097,255.59-21,377,449.81

Finding the Fourth Proportional to 28,346,478.56, 39,097,255.59 and 21,377,449.81

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Solution

The fourth proportional to 28,346,478.56, 39,097,255.59 and 21,377,449.81 is: 29,485,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,478.56 : 39,097,255.59 = 21,377,449.81 : x
  2. Step 2: Convert to fraction form
    28,346,478.56/39,097,255.59 = 21,377,449.81/x
  3. Step 3: Cross multiply
    28,346,478.56x = 39,097,255.59 × 21,377,449.81
  4. Step 4: Simplify right side
    28,346,478.56x = 835,799,618,912,916.50
  5. Step 5: Solve for x
    x = 835,799,618,912,916.50/28,346,478.56
  6. Step 6: Final answer
    x = 29,485,130.48

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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.