Home / 13,058,140.60-19,587,210.90-5,079,964.60

Finding the Fourth Proportional to 13,058,140.60, 19,587,210.90 and 5,079,964.60

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Solution

The fourth proportional to 13,058,140.60, 19,587,210.90 and 5,079,964.60 is: 7,619,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,140.60 : 19,587,210.90 = 5,079,964.60 : x
  2. Step 2: Convert to fraction form
    13,058,140.60/19,587,210.90 = 5,079,964.60/x
  3. Step 3: Cross multiply
    13,058,140.60x = 19,587,210.90 × 5,079,964.60
  4. Step 4: Simplify right side
    13,058,140.60x = 99,502,337,984,734.12
  5. Step 5: Solve for x
    x = 99,502,337,984,734.12/13,058,140.60
  6. Step 6: Final answer
    x = 7,619,946.90

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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.