Home / 39,927,651.90-55,100,325.69-21,592,937.40

Finding the Fourth Proportional to 39,927,651.90, 55,100,325.69 and 21,592,937.40

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Solution

The fourth proportional to 39,927,651.90, 55,100,325.69 and 21,592,937.40 is: 29,798,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,651.90 : 55,100,325.69 = 21,592,937.40 : x
  2. Step 2: Convert to fraction form
    39,927,651.90/55,100,325.69 = 21,592,937.40/x
  3. Step 3: Cross multiply
    39,927,651.90x = 55,100,325.69 × 21,592,937.40
  4. Step 4: Simplify right side
    39,927,651.90x = 1,189,777,883,343,781.75
  5. Step 5: Solve for x
    x = 1,189,777,883,343,781.75/39,927,651.90
  6. Step 6: Final answer
    x = 29,798,343.42

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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.