Home / 27,286,984.80-40,930,477.20-12,938,077.80

Finding the Fourth Proportional to 27,286,984.80, 40,930,477.20 and 12,938,077.80

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Solution

The fourth proportional to 27,286,984.80, 40,930,477.20 and 12,938,077.80 is: 19,407,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286,984.80 : 40,930,477.20 = 12,938,077.80 : x
  2. Step 2: Convert to fraction form
    27,286,984.80/40,930,477.20 = 12,938,077.80/x
  3. Step 3: Cross multiply
    27,286,984.80x = 40,930,477.20 × 12,938,077.80
  4. Step 4: Simplify right side
    27,286,984.80x = 529,561,698,404,726.25
  5. Step 5: Solve for x
    x = 529,561,698,404,726.25/27,286,984.80
  6. Step 6: Final answer
    x = 19,407,116.70

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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.