Home / 28,463,402.28-39,279,518.28-15,410,670.24

Finding the Fourth Proportional to 28,463,402.28, 39,279,518.28 and 15,410,670.24

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Solution

The fourth proportional to 28,463,402.28, 39,279,518.28 and 15,410,670.24 is: 21,266,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,402.28 : 39,279,518.28 = 15,410,670.24 : x
  2. Step 2: Convert to fraction form
    28,463,402.28/39,279,518.28 = 15,410,670.24/x
  3. Step 3: Cross multiply
    28,463,402.28x = 39,279,518.28 × 15,410,670.24
  4. Step 4: Simplify right side
    28,463,402.28x = 605,323,703,399,132
  5. Step 5: Solve for x
    x = 605,323,703,399,132/28,463,402.28
  6. Step 6: Final answer
    x = 21,266,737.46

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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.