Home / 28,470,119.14-39,288,802.30-15,417,400.56

Finding the Fourth Proportional to 28,470,119.14, 39,288,802.30 and 15,417,400.56

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Solution

The fourth proportional to 28,470,119.14, 39,288,802.30 and 15,417,400.56 is: 21,276,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470,119.14 : 39,288,802.30 = 15,417,400.56 : x
  2. Step 2: Convert to fraction form
    28,470,119.14/39,288,802.30 = 15,417,400.56/x
  3. Step 3: Cross multiply
    28,470,119.14x = 39,288,802.30 × 15,417,400.56
  4. Step 4: Simplify right side
    28,470,119.14x = 605,731,202,581,749.25
  5. Step 5: Solve for x
    x = 605,731,202,581,749.25/28,470,119.14
  6. Step 6: Final answer
    x = 21,276,033.29

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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.