Home / 12,554,667.90-18,832,001.85-11,798,840.70

Finding the Fourth Proportional to 12,554,667.90, 18,832,001.85 and 11,798,840.70

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Solution

The fourth proportional to 12,554,667.90, 18,832,001.85 and 11,798,840.70 is: 17,698,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554,667.90 : 18,832,001.85 = 11,798,840.70 : x
  2. Step 2: Convert to fraction form
    12,554,667.90/18,832,001.85 = 11,798,840.70/x
  3. Step 3: Cross multiply
    12,554,667.90x = 18,832,001.85 × 11,798,840.70
  4. Step 4: Simplify right side
    12,554,667.90x = 222,195,789,890,255.31
  5. Step 5: Solve for x
    x = 222,195,789,890,255.31/12,554,667.90
  6. Step 6: Final answer
    x = 17,698,261.05

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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.