Home / 20,337,795.84-28,066,389.12-11,170,652.16

Finding the Fourth Proportional to 20,337,795.84, 28,066,389.12 and 11,170,652.16

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Solution

The fourth proportional to 20,337,795.84, 28,066,389.12 and 11,170,652.16 is: 15,415,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337,795.84 : 28,066,389.12 = 11,170,652.16 : x
  2. Step 2: Convert to fraction form
    20,337,795.84/28,066,389.12 = 11,170,652.16/x
  3. Step 3: Cross multiply
    20,337,795.84x = 28,066,389.12 × 11,170,652.16
  4. Step 4: Simplify right side
    20,337,795.84x = 313,519,870,246,728.50
  5. Step 5: Solve for x
    x = 313,519,870,246,728.50/20,337,795.84
  6. Step 6: Final answer
    x = 15,415,626.78

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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.