Home / 13,058,139.60-19,587,209.40-5,079,963.60

Finding the Fourth Proportional to 13,058,139.60, 19,587,209.40 and 5,079,963.60

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Solution

The fourth proportional to 13,058,139.60, 19,587,209.40 and 5,079,963.60 is: 7,619,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,139.60 : 19,587,209.40 = 5,079,963.60 : x
  2. Step 2: Convert to fraction form
    13,058,139.60/19,587,209.40 = 5,079,963.60/x
  3. Step 3: Cross multiply
    13,058,139.60x = 19,587,209.40 × 5,079,963.60
  4. Step 4: Simplify right side
    13,058,139.60x = 99,502,310,777,577.83
  5. Step 5: Solve for x
    x = 99,502,310,777,577.83/13,058,139.60
  6. Step 6: Final answer
    x = 7,619,945.40

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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.