Home / 23,100,675.81-31,878,882.60-12,646,607.45

Finding the Fourth Proportional to 23,100,675.81, 31,878,882.60 and 12,646,607.45

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Solution

The fourth proportional to 23,100,675.81, 31,878,882.60 and 12,646,607.45 is: 17,452,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100,675.81 : 31,878,882.60 = 12,646,607.45 : x
  2. Step 2: Convert to fraction form
    23,100,675.81/31,878,882.60 = 12,646,607.45/x
  3. Step 3: Cross multiply
    23,100,675.81x = 31,878,882.60 × 12,646,607.45
  4. Step 4: Simplify right side
    23,100,675.81x = 403,159,714,027,441
  5. Step 5: Solve for x
    x = 403,159,714,027,441/23,100,675.81
  6. Step 6: Final answer
    x = 17,452,290.89

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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.