Home / 20,883,864.35-28,819,298.54-11,590,889.26

Finding the Fourth Proportional to 20,883,864.35, 28,819,298.54 and 11,590,889.26

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Solution

The fourth proportional to 20,883,864.35, 28,819,298.54 and 11,590,889.26 is: 15,995,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,864.35 : 28,819,298.54 = 11,590,889.26 : x
  2. Step 2: Convert to fraction form
    20,883,864.35/28,819,298.54 = 11,590,889.26/x
  3. Step 3: Cross multiply
    20,883,864.35x = 28,819,298.54 × 11,590,889.26
  4. Step 4: Simplify right side
    20,883,864.35x = 334,041,297,928,019.69
  5. Step 5: Solve for x
    x = 334,041,297,928,019.69/20,883,864.35
  6. Step 6: Final answer
    x = 15,995,186.16

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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.