Home / 39,044,100.32-53,884,083.36-21,645,903.20

Finding the Fourth Proportional to 39,044,100.32, 53,884,083.36 and 21,645,903.20

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Solution

The fourth proportional to 39,044,100.32, 53,884,083.36 and 21,645,903.20 is: 29,873,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,044,100.32 : 53,884,083.36 = 21,645,903.20 : x
  2. Step 2: Convert to fraction form
    39,044,100.32/53,884,083.36 = 21,645,903.20/x
  3. Step 3: Cross multiply
    39,044,100.32x = 53,884,083.36 × 21,645,903.20
  4. Step 4: Simplify right side
    39,044,100.32x = 1,166,369,652,431,290.75
  5. Step 5: Solve for x
    x = 1,166,369,652,431,290.75/39,044,100.32
  6. Step 6: Final answer
    x = 29,873,134.30

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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.