Home / 13,058,179.20-19,587,268.80-9,698,947.20

Finding the Fourth Proportional to 13,058,179.20, 19,587,268.80 and 9,698,947.20

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Solution

The fourth proportional to 13,058,179.20, 19,587,268.80 and 9,698,947.20 is: 14,548,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,179.20 : 19,587,268.80 = 9,698,947.20 : x
  2. Step 2: Convert to fraction form
    13,058,179.20/19,587,268.80 = 9,698,947.20/x
  3. Step 3: Cross multiply
    13,058,179.20x = 19,587,268.80 × 9,698,947.20
  4. Step 4: Simplify right side
    13,058,179.20x = 189,975,885,883,407.34
  5. Step 5: Solve for x
    x = 189,975,885,883,407.34/13,058,179.20
  6. Step 6: Final answer
    x = 14,548,420.80

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1.5x scale

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.