Home / 19,934,831.80-29,902,247.70-10,864,905.40

Finding the Fourth Proportional to 19,934,831.80, 29,902,247.70 and 10,864,905.40

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Solution

The fourth proportional to 19,934,831.80, 29,902,247.70 and 10,864,905.40 is: 16,297,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934,831.80 : 29,902,247.70 = 10,864,905.40 : x
  2. Step 2: Convert to fraction form
    19,934,831.80/29,902,247.70 = 10,864,905.40/x
  3. Step 3: Cross multiply
    19,934,831.80x = 29,902,247.70 × 10,864,905.40
  4. Step 4: Simplify right side
    19,934,831.80x = 324,885,092,507,867.56
  5. Step 5: Solve for x
    x = 324,885,092,507,867.56/19,934,831.80
  6. Step 6: Final answer
    x = 16,297,358.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.