Home / 22,143,209.40-33,214,814.10-19,903,721.40

Finding the Fourth Proportional to 22,143,209.40, 33,214,814.10 and 19,903,721.40

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Solution

The fourth proportional to 22,143,209.40, 33,214,814.10 and 19,903,721.40 is: 29,855,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,209.40 : 33,214,814.10 = 19,903,721.40 : x
  2. Step 2: Convert to fraction form
    22,143,209.40/33,214,814.10 = 19,903,721.40/x
  3. Step 3: Cross multiply
    22,143,209.40x = 33,214,814.10 × 19,903,721.40
  4. Step 4: Simplify right side
    22,143,209.40x = 661,098,406,199,191.75
  5. Step 5: Solve for x
    x = 661,098,406,199,191.75/22,143,209.40
  6. Step 6: Final answer
    x = 29,855,582.10

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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.